From pkyzivat@alum.mit.edu Sun Oct 2 13:50:38 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 15E0921F84D7 for ; Sun, 2 Oct 2011 13:50:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.533 X-Spam-Level: X-Spam-Status: No, score=-2.533 tagged_above=-999 required=5 tests=[AWL=0.066, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jFTeZAgadfB1 for ; Sun, 2 Oct 2011 13:50:37 -0700 (PDT) Received: from qmta08.westchester.pa.mail.comcast.net (qmta08.westchester.pa.mail.comcast.net [76.96.62.80]) by ietfa.amsl.com (Postfix) with ESMTP id D276E21F84D6 for ; Sun, 2 Oct 2011 13:50:36 -0700 (PDT) Received: from omta20.westchester.pa.mail.comcast.net ([76.96.62.71]) by qmta08.westchester.pa.mail.comcast.net with comcast id fth11h0051YDfWL58wtd0P; Sun, 02 Oct 2011 20:53:37 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([24.62.109.41]) by omta20.westchester.pa.mail.comcast.net with comcast id fwtZ1h00L0tdiYw3gwtaQT; Sun, 02 Oct 2011 20:53:37 +0000 Message-ID: <4E88CF4A.7020708@alum.mit.edu> Date: Sun, 02 Oct 2011 16:53:30 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: "DRAGE, Keith (Keith)" References: <4E7B8141.5000006@alum.mit.edu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "cuss@ietf.org" Subject: Re: [cuss] Definition of "application" X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Oct 2011 20:50:38 -0000 On 9/23/11 6:49 AM, DRAGE, Keith (Keith) wrote: > I suspect we need two separate and distinct terms. > > 1) To represent the entity above the SIP later which is the consumer and generator of the UUI information, and which in many cases will not be a SIP user. This entity has responsibility for the format and content of the payload (including the ISDN protocol discriminator). Are you presuming there is a single (distributed) entity that both generates and consumes the UUI info? Or shall we treat the generator and the consumer as independent entities? In any case, while we probably do need some terminology for this, it can be a little loose, because I don't think there are any normative requirements on it - its only descriptive. > 2) To represent the different usage documents, where a different maps to each different value of the "app" header field parameter. The value of the "app" header field parameter defines what values are legitimate in the "content" header field parameter and the "encoding" header field parameter. This is more what I was concerned about. But I do think there is a tight relationship between this, and the consuming entity. What concerns me is the granularity of these, who deals with them, how often do they change. The registration model must be realistic relative to these characteristics. For instance, IIUC, each distinct call center that deploys a suite of call center applications is likely to have its own set of content descriptions, and a unique "app" to identify them. But I also think its unrealistic to expect that each call center deployment will do a unique IANA registration. Thanks, Paul > Suggestions welcome. > > Regards > > Keith > >> -----Original Message----- >> From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf Of >> Paul Kyzivat >> Sent: 22 September 2011 19:41 >> To: cuss@ietf.org >> Subject: [cuss] Definition of "application" >> >> In the meeting the other day I expressed confusion over the use of >> "application" in cuss. IMO its far from clear what is intended, and it >> may be ambiguous. Here are some examples of usage of this term in the >> mechanism doc: >> >> Individual applications using the UUI mechanism will >> utilize media feature tags to indicate that a UA supports a particular >> application user of UUI. [Section 1] >> >> All applications using this SIP UUI mechanism must publish a >> standards track RFC which describes the usage. The SIP UUI mechanism >> is applicable in the following situations: >> >> 1. The information is generated and consumed by an application >> during session setup using SIP, but the application is not >> necessarily SIP aware. >> ... >> [Section 5] >> >> The "app" parameter identifies the application which generates and >> consumes the UUI information. [Section 4] >> >> My confusion is whether "application" means: >> >> 1) A particular conceptual function (or maybe "business process") >> made of components that communicate using sip, that could be >> implemented and instantiated multiple times. (E.g. "call center".) >> >> 2) A particular implementation of (1) as specific server code, >> but which still can be instantiated multiple times. (E.g. >> "Example Corp distributed call center product") >> >> 3) A particular deployment of (1) or (2). (E.g. the ABC Corp. >> deployment of the Example Corp distributed call center product, >> including configuration of the data gathered by an IVR and >> passed via UUI.) >> >> The reason I ask is because its my impression that common practice today >> is for the format of data passed via UUI to be customized per >> deployment. Thus "content" would need to be defined per deployment. And >> then, since applications define the allowed content, the applications >> also need to be defined per-deployment. (What I describe as (3) above.) >> BUT, IMO its unreasonable to expect that individual deployments would do >> such registration. >> >> But IMO it would be good to use app= and content= to identify the >> significance of the UUI data. Doing so would potentially prevent >> mistakes due to misconfiguration, and would help in analysis of network >> traffic. It also could potentially be used for message routing. >> >> It *may* be possible that standards could be defined for "content", >> consistent with application definitions (1) and/or (2) above. But that >> remains to be demonstrated - it may not turn out to be true in practice. >> >> If applications of UUI fall into definition (3) above, then I think the >> naming for applications and content needs to be relaxed so that no >> registration is required. That probably means identifiers that are >> naturally unique. >> >> Thanks, >> Paul >> _______________________________________________ >> cuss mailing list >> cuss@ietf.org >> https://www.ietf.org/mailman/listinfo/cuss > From pkyzivat@alum.mit.edu Sun Oct 2 14:40:30 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D88A921F854D for ; Sun, 2 Oct 2011 14:40:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.528 X-Spam-Level: X-Spam-Status: No, score=-2.528 tagged_above=-999 required=5 tests=[AWL=0.071, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5NIb+qK352Hn for ; Sun, 2 Oct 2011 14:40:27 -0700 (PDT) Received: from qmta03.westchester.pa.mail.comcast.net (qmta03.westchester.pa.mail.comcast.net [76.96.62.32]) by ietfa.amsl.com (Postfix) with ESMTP id D4A5F21F851F for ; Sun, 2 Oct 2011 14:40:26 -0700 (PDT) Received: from omta21.westchester.pa.mail.comcast.net ([76.96.62.72]) by qmta03.westchester.pa.mail.comcast.net with comcast id fuwh1h0021ZXKqc53xjUwg; Sun, 02 Oct 2011 21:43:28 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([24.62.109.41]) by omta21.westchester.pa.mail.comcast.net with comcast id fxjT1h00X0tdiYw3hxjT29; Sun, 02 Oct 2011 21:43:27 +0000 Message-ID: <4E88DAFC.3030303@alum.mit.edu> Date: Sun, 02 Oct 2011 17:43:24 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: cuss@ietf.org References: <4E81D7DA.3030302@bell-labs.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [cuss] Adopting draft-drage-cuss-sip-uui-isdn X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Oct 2011 21:40:31 -0000 This all sounds good to me. Thanks, Paul On 9/27/11 8:03 PM, DRAGE, Keith (Keith) wrote: > If and when I submit a -00 next week (dependent of course on the WG response to the request by the WG chairs below, I would like to introduce some additional changes, based on comments made in the interim meeting, and on some alignment discussion held with the editors of the UUI mechanism draft. > > If there are issues with any of these, then please say so and I will not include them, and we can defer them to further discussion. Please be specific as to which items you have issues with if responding - I'd rather not see a default to all not handled. > > My proposed changes are: > > 1) Discussions on the list have highlighted the overburdening of the word "application". As a result it is proposed to change the name of the "app" header field parameter in the mechanism draft to "package" header field parameter. This has a consequential impact on the ISDN document. The word "application" is now solely reserved for the name of the functionality that passes the UUI to the SIP functionality to send, and to which the UUI is delivered on receipt by the SIP functionality. As well as the change of the name of the header field parameter, this results in a number of instances of the word "application" becoming "package". A couple of instances relating to the coding of the "content" header field parameter become "SIP entity". > > 2) Section 5 needs substantial rewording as it no longer applies in this manner. I propose that we modify the text to indicate that if one wants to use an enhanced UUI where both endpoints are SIP, but still work with the ISDN, then one will have to same information using two different packages, one the ISDN one, and the other some enhanced package. > > My current proposal is to delete the last sentence of the first paragraph and reword the second paragraph as follows: > > "The SIP UUI mechanism provides a way to achieve this transition. As an endpoint moves from being an ISDN gateway to a native SIP endpoint, and a package for some form of enhanced UUI has been standardized, the endpoint can carry the UUI data both as ISDN and as some other package in parallel. This will permit the other endpoint to use the UUI according to the ISDN package if it is an ISDN gateway or the enhanced package if it is a native SIP endpoint." > > 3) In section 8, a couple of requirements relating to the "content" header field parameter actually relate to the "package" header field parameter (formerly "app" header field parameter). These are corrected. > > 4) Update references from "draft-johnston-cuss-sip-uui" to "draft-ietf-cuss-sip-uui". > > 5) Make clear throughout the document that the UUI payload is a protocol discriminator plus 128 octets of data. > > 6) Make clearer that it is the initial INVITE request and responses and the BYE request and responses only that carry the information in this package. > > 7) Make clear that there are no normative requirements on the protocol discriminator. This text is added to the end of section 9: > > " This document places no other normative requirement on the use of the protocol discriminator; it is required at interworking gateways to allow mapping into the appropriate fields in the ISDN protocols, but otherwise the usage is entirely up to the application, and outside the scope of this document. Valid values are identified and documented by ITU-T, and there is no IANA registry for these values." > > 8) Remove the following text from section 7, as it is a duplicate of the text in section 9: > > " When sending UUI, the sending application MUST include a protocol discriminator octet, conforming to table 4-26 of ITU-T Recommendation Q.931 [Q931] as the first octet of the payload information." > > 9) Define a media feature tag specific for the package. It has been proposed to do this for all packages. "sip.uui-isdn" is proposed. > > 10) Correct the short title for the draft. > > I am aware we need to rework the security considerations text but that will require a little more research, so I will stick at this list for the moment. > > > Regards > > Keith > >> -----Original Message----- >> From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf Of >> Vijay K. Gurbani >> Sent: 27 September 2011 15:04 >> To: cuss@ietf.org >> Subject: [cuss] Adopting draft-drage-cuss-sip-uui-isdn >> >> Folks: As discussed during last week's virtual interim >> meeting [1], the WG needs to choose a draft that satisfies >> the last orphan milestone (ISDN UUI Service application usage >> specification). >> >> Keith Drage has an individual draft [2] that could be used towards >> the milestone. A call for additional candidate drafts went out on >> Sep-08-2011 [3], but did not result in any new entries. >> >> Therefore, during the interim meeting of Sep-21-2011, it was >> decided to adopt draft-drage-cuss-sip-uui-isdn as the working >> group draft towards the ISDN UUI Service application usage >> milestone. >> >> As such, Enrico and I seek to ratify this decision on the mailing >> list and request Keith to submit a WG -00 version of his draft >> no later than Tuesday, Aug-4-2011. >> >> If there are any concerns, please let the WG know. >> >> [1] Draft minutes at >> http://www.ietf.org/mail-archive/web/cuss/current/msg00263.html >> [2] http://tools.ietf.org/html/draft-drage-cuss-sip-uui-isdn-01 >> [3] http://www.ietf.org/mail-archive/web/cuss/current/msg00234.html >> >> Thanks, >> >> - vijay >> -- >> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent >> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) >> Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com >> Web: http://ect.bell-labs.com/who/vkg/ >> _______________________________________________ >> cuss mailing list >> cuss@ietf.org >> https://www.ietf.org/mailman/listinfo/cuss > _______________________________________________ > cuss mailing list > cuss@ietf.org > https://www.ietf.org/mailman/listinfo/cuss > From pkyzivat@alum.mit.edu Sun Oct 2 15:00:45 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2543A21F8548 for ; Sun, 2 Oct 2011 15:00:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.529 X-Spam-Level: X-Spam-Status: No, score=-2.529 tagged_above=-999 required=5 tests=[AWL=0.070, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F7MnBu75rjkr for ; Sun, 2 Oct 2011 15:00:44 -0700 (PDT) Received: from qmta08.westchester.pa.mail.comcast.net (qmta08.westchester.pa.mail.comcast.net [76.96.62.80]) by ietfa.amsl.com (Postfix) with ESMTP id 5683021F84D6 for ; Sun, 2 Oct 2011 15:00:44 -0700 (PDT) Received: from omta23.westchester.pa.mail.comcast.net ([76.96.62.74]) by qmta08.westchester.pa.mail.comcast.net with comcast id ftZN1h0041c6gX858y3lPZ; Sun, 02 Oct 2011 22:03:45 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([24.62.109.41]) by omta23.westchester.pa.mail.comcast.net with comcast id fy3k1h01B0tdiYw3jy3kDb; Sun, 02 Oct 2011 22:03:45 +0000 Message-ID: <4E88DFBE.5010500@alum.mit.edu> Date: Sun, 02 Oct 2011 18:03:42 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: cuss@ietf.org References: <4E81D7DA.3030302@bell-labs.com> In-Reply-To: <4E81D7DA.3030302@bell-labs.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [cuss] Adopting draft-drage-cuss-sip-uui-isdn X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Oct 2011 22:00:45 -0000 I'm in favor of this. Thanks, Paul On 9/27/11 10:04 AM, Vijay K. Gurbani wrote: > Folks: As discussed during last week's virtual interim > meeting [1], the WG needs to choose a draft that satisfies > the last orphan milestone (ISDN UUI Service application usage > specification). > > Keith Drage has an individual draft [2] that could be used towards > the milestone. A call for additional candidate drafts went out on > Sep-08-2011 [3], but did not result in any new entries. > > Therefore, during the interim meeting of Sep-21-2011, it was > decided to adopt draft-drage-cuss-sip-uui-isdn as the working > group draft towards the ISDN UUI Service application usage > milestone. > > As such, Enrico and I seek to ratify this decision on the mailing > list and request Keith to submit a WG -00 version of his draft > no later than Tuesday, Aug-4-2011. > > If there are any concerns, please let the WG know. > > [1] Draft minutes at > http://www.ietf.org/mail-archive/web/cuss/current/msg00263.html > [2] http://tools.ietf.org/html/draft-drage-cuss-sip-uui-isdn-01 > [3] http://www.ietf.org/mail-archive/web/cuss/current/msg00234.html > > Thanks, > > - vijay From keith.drage@alcatel-lucent.com Mon Oct 3 06:13:06 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DD2E321F8ADC for ; Mon, 3 Oct 2011 06:13:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -105.986 X-Spam-Level: X-Spam-Status: No, score=-105.986 tagged_above=-999 required=5 tests=[AWL=0.263, BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gzokqIKi3vVL for ; Mon, 3 Oct 2011 06:13:03 -0700 (PDT) Received: from smail3.alcatel.fr (smail3.alcatel.fr [64.208.49.56]) by ietfa.amsl.com (Postfix) with ESMTP id 9532A21F8AB8 for ; Mon, 3 Oct 2011 06:13:02 -0700 (PDT) Received: from FRMRSSXCHHUB03.dc-m.alcatel-lucent.com (FRMRSSXCHHUB03.dc-m.alcatel-lucent.com [135.120.45.63]) by smail3.alcatel.fr (8.14.3/8.14.3/ICT) with ESMTP id p93DFbbM008452 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT); Mon, 3 Oct 2011 15:15:59 +0200 Received: from FRMRSSXCHMBSC3.dc-m.alcatel-lucent.com ([135.120.45.45]) by FRMRSSXCHHUB03.dc-m.alcatel-lucent.com ([135.120.45.63]) with mapi; Mon, 3 Oct 2011 15:15:52 +0200 From: "DRAGE, Keith (Keith)" To: Paul Kyzivat Date: Mon, 3 Oct 2011 15:15:47 +0200 Thread-Topic: [cuss] Definition of "application" Thread-Index: AcyBRV4OIm1CRzsVTI6x+qN44vtDcQAiB9vQ Message-ID: References: <4E7B8141.5000006@alum.mit.edu> <4E88CF4A.7020708@alum.mit.edu> In-Reply-To: <4E88CF4A.7020708@alum.mit.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.69 on 155.132.188.83 Cc: "cuss@ietf.org" Subject: Re: [cuss] Definition of "application" X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Oct 2011 13:13:07 -0000 1) As far as the ISDN package is concerned, it is just something above from= which I receive and to which I deliver UUI. I don't believe we make any as= sumptions about how it is structured, not at the moment do I see a need to.= The payload may well place requirements on that, but the payload contents = is out of scope of the package. Essentially the "package" (new name for "app") header field parameter, and = the "content" header field parameter define all the information that is ava= ilable to determine the contents of the UUI payload. The intention is to make values of these header field parameters RFC define= d and registered. Therefore if a vendor wants to use package x, and wants other indications t= hat it is version A in the payload versus version B in the payload then one= of: 1) Use part of the payload to define the appropriate versioning 2) Write an RFC to define new values of content or whatever. 3) Assume some a priori agreement between the sender and receiver as to wha= t the contents of this payload really mean. This is what happens in the ISD= N, and is I believe what we are currently assuming will happen generally in= UUI. Regards Keith > -----Original Message----- > From: Paul Kyzivat [mailto:pkyzivat@alum.mit.edu] > Sent: 02 October 2011 21:54 > To: DRAGE, Keith (Keith) > Cc: cuss@ietf.org > Subject: Re: [cuss] Definition of "application" >=20 > On 9/23/11 6:49 AM, DRAGE, Keith (Keith) wrote: > > I suspect we need two separate and distinct terms. > > > > 1) To represent the entity above the SIP later which is the consumer > and generator of the UUI information, and which in many cases will not be > a SIP user. This entity has responsibility for the format and content of > the payload (including the ISDN protocol discriminator). >=20 > Are you presuming there is a single (distributed) entity that both > generates and consumes the UUI info? Or shall we treat the generator and > the consumer as independent entities? >=20 > In any case, while we probably do need some terminology for this, it can > be a little loose, because I don't think there are any normative > requirements on it - its only descriptive. >=20 > > 2) To represent the different usage documents, where a different > maps to each different value of the "app" header field parameter. The > value of the "app" header field parameter defines what values are > legitimate in the "content" header field parameter and the "encoding" > header field parameter. >=20 > This is more what I was concerned about. But I do think there is a tight > relationship between this, and the consuming entity. >=20 > What concerns me is the granularity of these, who deals with them, how > often do they change. The registration model must be realistic relative > to these characteristics. >=20 > For instance, IIUC, each distinct call center that deploys a suite of > call center applications is likely to have its own set of content > descriptions, and a unique "app" to identify them. But I also think its > unrealistic to expect that each call center deployment will do a unique > IANA registration. >=20 > Thanks, > Paul >=20 > > Suggestions welcome. > > > > Regards > > > > Keith > > > >> -----Original Message----- > >> From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf O= f > >> Paul Kyzivat > >> Sent: 22 September 2011 19:41 > >> To: cuss@ietf.org > >> Subject: [cuss] Definition of "application" > >> > >> In the meeting the other day I expressed confusion over the use of > >> "application" in cuss. IMO its far from clear what is intended, and it > >> may be ambiguous. Here are some examples of usage of this term in the > >> mechanism doc: > >> > >> Individual applications using the UUI mechanism will > >> utilize media feature tags to indicate that a UA supports a > particular > >> application user of UUI. [Section 1] > >> > >> All applications using this SIP UUI mechanism must publish a > >> standards track RFC which describes the usage. The SIP UUI > mechanism > >> is applicable in the following situations: > >> > >> 1. The information is generated and consumed by an applicatio= n > >> during session setup using SIP, but the application is not > >> necessarily SIP aware. > >> ... > >> [Section 5] > >> > >> The "app" parameter identifies the application which generates and > >> consumes the UUI information. [Section 4] > >> > >> My confusion is whether "application" means: > >> > >> 1) A particular conceptual function (or maybe "business process") > >> made of components that communicate using sip, that could be > >> implemented and instantiated multiple times. (E.g. "call center".= ) > >> > >> 2) A particular implementation of (1) as specific server code, > >> but which still can be instantiated multiple times. (E.g. > >> "Example Corp distributed call center product") > >> > >> 3) A particular deployment of (1) or (2). (E.g. the ABC Corp. > >> deployment of the Example Corp distributed call center product, > >> including configuration of the data gathered by an IVR and > >> passed via UUI.) > >> > >> The reason I ask is because its my impression that common practice > today > >> is for the format of data passed via UUI to be customized per > >> deployment. Thus "content" would need to be defined per deployment. An= d > >> then, since applications define the allowed content, the applications > >> also need to be defined per-deployment. (What I describe as (3) above.= ) > >> BUT, IMO its unreasonable to expect that individual deployments would > do > >> such registration. > >> > >> But IMO it would be good to use app=3D and content=3D to identify the > >> significance of the UUI data. Doing so would potentially prevent > >> mistakes due to misconfiguration, and would help in analysis of networ= k > >> traffic. It also could potentially be used for message routing. > >> > >> It *may* be possible that standards could be defined for "content", > >> consistent with application definitions (1) and/or (2) above. But that > >> remains to be demonstrated - it may not turn out to be true in > practice. > >> > >> If applications of UUI fall into definition (3) above, then I think th= e > >> naming for applications and content needs to be relaxed so that no > >> registration is required. That probably means identifiers that are > >> naturally unique. > >> > >> Thanks, > >> Paul > >> _______________________________________________ > >> cuss mailing list > >> cuss@ietf.org > >> https://www.ietf.org/mailman/listinfo/cuss > > From vkg@bell-labs.com Mon Oct 3 10:13:21 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 380E621F8B9F for ; Mon, 3 Oct 2011 10:13:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.624 X-Spam-Level: X-Spam-Status: No, score=-106.624 tagged_above=-999 required=5 tests=[AWL=-0.025, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Osb07lNLfLKF for ; Mon, 3 Oct 2011 10:13:19 -0700 (PDT) Received: from ihemail4.lucent.com (ihemail4.lucent.com [135.245.0.39]) by ietfa.amsl.com (Postfix) with ESMTP id 8E32F21F8B83 for ; Mon, 3 Oct 2011 10:13:19 -0700 (PDT) Received: from usnavsmail2.ndc.alcatel-lucent.com (usnavsmail2.ndc.alcatel-lucent.com [135.3.39.10]) by ihemail4.lucent.com (8.13.8/IER-o) with ESMTP id p93HGI3r005008 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 3 Oct 2011 12:16:18 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail2.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p93HGIaL000764 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 3 Oct 2011 12:16:18 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p93HGHPJ005786 for ; Mon, 3 Oct 2011 12:16:18 -0500 (CDT) Message-ID: <4E89EE7F.3030007@bell-labs.com> Date: Mon, 03 Oct 2011 12:18:55 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: multipart/mixed; boundary="------------050806090409050008010001" X-Scanned-By: MIMEDefang 2.57 on 135.245.2.39 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.10 Subject: [cuss] Final minutes for Sep-21-2011 Virtual Interim meeting X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Oct 2011 17:13:21 -0000 This is a multi-part message in MIME format. --------------050806090409050008010001 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Folks: Attached are the final minutes for the Sept-21-2011 meeting. The audio recording URL is included in the final minutes. I am also attaching a diff between the draft meeting minutes and the final meeting minutes. If there are any corrections, please let me and Enrico know. Otherwise, these will be submitted on Wednesday to the Secretariat. Thanks, - vijay -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com Web: http://ect.bell-labs.com/who/vkg/ --------------050806090409050008010001 Content-Type: text/plain; name="cuss-notes-final.txt" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="cuss-notes-final.txt" --- Begin final minutes CUSS 3rd Virtual Meeting Wednesday, Sep. 21, 2011. 10:00 AM US Central - 11:30 AM US Central Recording available at: https://workgreen.webex.com/workgreen/ldr.php?AT=pb&SP=MC&rID=11760967&rKey=1e89dc9b9a031aeb Attendees: 9 identified + 3 Call-in users Minutes taken by Enrico Marocco and Paul Kyzivat Agenda was bashed and accepted. Administrivia, Chairs ===================== Slides: http://www.standardstrack.com/ietf/cuss/cuss-interim-3/Agenda.pdf The requirement draft (draft-ietf-cuss-sip-uui-reqs-05) has been through two WGLCs and is currently in the PubReq state. The AD (Gonzalo) has reviewed it and has offered some comments on the list for clarification on a couple of items (see http://www.ietf.org/mail-archive/web/cuss/current/msg00246.html). Keith wants to make sure that the REQ-8 does not place any burdens on existing proxies. Alan is confident that he can address these comments shortly and get a new revision out. The new revision will be used for a IETF LC. The mechanism draft (draft-ietf-cuss-sip-uui-02) needs more reviews. The date for moving this ahead to WGLC as agreed during Quebec City was Sept-15. The draft needs more volunteers to review it. The ISDN UUI Service application usage specification deliverable currently does not have a draft associated with it. Keit Drage's independent submission (draft-drage-cuss-sip-uui-isdn-01) is a candidate. Solicitations were sent out on the WG list to get more candidate drafts, none emerged. During the meeting it was decided to adopt draft-drage-cuss-sip-uui-isdn as the deliverable. It was expressed that the WG should ask for an 1-hour slot for Taiwan and cancel if not needed (the chairs have put a request into the system). The attendess expressed some interest in meeting in Taiwan to iron out any remaining issues with mechanism draft. It was also expressed that another virtual meeting before Taiwan be organized (probably around end of October). Mechanism draft, Alan Johnston ============================== Slides: http://www.standardstrack.com/ietf/cuss/cuss-interim-3/Mechanism.pdf Draft: http://tools.ietf.org/html/draft-ietf-cuss-sip-uui-02 Alan went through the changes from previous version. There was some discussion on whether the "app" parameter in the UUI production rule (see slide 3) can be made mandatory. Alan noted that while this parameter is needed for the ISDN use case, its utility on other usages is not clear. No decision reached and further talks to proceed on the mailing list. Paul asked on expanding the ABNF to include quoted-string as well as a token for the uui-data production rule (see slide). This was agreed to. Keith asked whether the order of the parameters can be reversed when expressing them as ABNF such that the ABNF shows "app", "content", "encoding" instead of "encoding", "content" "app" as it is now. Alan agreed to do so. Slide 4: Keith suggested adding text that simply says when determining source identity of UUI, you simply use the normal mechanism used to identify the source identity of the message itself. There was a longer discussion on H-I and ISDN use case. There were two points to consider: 1. Decide whether the ISDN package should allow redirection? What will happen if the general mechanism supports redirection, but ISDN package does not? 2. If redirection happens and it overrides the existing UUI? How do No decision reached; list discussions needed. It was also decided that during WGLC, sipcore would be invited to review the document in the context of 4244bis usage. Paul noted that the term "application" is ambiguous. There is a thread underway on the list to reach consensus on how this term is used in the mechanism draft (see http://www.ietf.org/mail-archive/web/cuss/current/msg00259.html). Slide 10: Media Tag Usage. It was agreed that the mechanism draft is to explain that if you need the ability to do discovery and caller-pref routing related to UUI, the recommendation will be to use media tags as opposed to option tags. ISDN Usage Draft, Keith Drage ============================= Slides: http://www.standardstrack.com/ietf/cuss/cuss-interim-3/ISDN-Drage.pdf Draft: http://tools.ietf.org/html/draft-drage-cuss-sip-uui-isdn-01 Keith Drage presented the draft. Most comments on the draft were about clarifying existing text: - Current text suggests that use in initial INVITE allows general usage within dialog, not just in response to the invite or in BYE. But other text contradicts this. - Section 6 is confusing by its use of 128 as the size limit, because the limit with protocol discriminator is 129. The chairs noted that the last charter item --- ISDN UUI Service application usage --- does not have a draft assigned as a deliverable. A call for other candidate drafts went out on Sept-08-2011 (see http://www.ietf.org/mail-archive/web/cuss/current/msg00234.html) but no other drafts have been put forth. Given that there are no other candidate drafts, the chairs asked attendees to express any reservations if this draft (i.e., draft-drage-cuss-sip-uui-isdn-01) was to be adopted as a deliverable to ISDN UUI Service application usage specification charter item. There were no reservations expressed by the attendees. Therefore, after ratifying this decision on the mailing list, Keith will be asked to submit a WG -00 version. The meeting adjourned. ================================================================================ Note takers: Enrico Marocco and Paul Kyzivat Raw notes: - Notes from Paul are archived at http://www.ietf.org/mail-archive/web/cuss/current/msg00258.html - Notes from Enrico appear below. CUSS WG, September 21, 2011 Virtual interim meeting Chairs: Vijay Gurbani and Enrico Marocco Area Director: Gonzalo Camarillo About 10 participants. The meeting will be recorded. Agenda ------ Vijay presents the agenda and status of the WG. Requirements are almost done. Alan Johnston: Gonzalo posted a few comments to the list, no major issues. Minor issues with REQ-8, in particular make clear that the intermediaries should not be expected to understand UUI. Keith Drage: make clear that only endpoints are supposed to understand UUI. Alan: early next week at the latest will provide text. Gonzalo: the draft should be clear whether the mechanism affects routing. Don't care what way we go, as long as its clear. Paul Kyzivat: we should not preclude proxies do whatever they like, as long as we don't make that required. Keith: agrees. Gonzalo: just clarify that this does not affect SIP routing. Vijay: Gonzalo, do we need another WGLC after that change? Gonzalo: no, once it's done, will move it on. Mechanism draft needs more review, please volunteer. The ISDN UUI usage item is the only charter item with no WG draft, and only one candidate individual draft (Keith's); plan is to adopt it. Any one has opinions about meeting in Taiwan? Martin Dolly: won't be in TW because of the conflict with 3GPP. Alan: would be good to meet. Mechanism draft --------------- Alan presents the mechanism draft. We need some review so that we can go to WGLC. Keith: we can make the app parameter mandatory. Alan: it is certainly needed for the ISDN use case, but am not sure other usages will require it. Paul: don't have an opinion, but there can be issues with other schemas. (Further discussion among Paul, Alan, Keith and James.) Keith: can the order of the parameters be reversed in ABNF, seems more logic? Alan: yes. Keith: am fine with the rules for inserting UUI in requests and responses, except that they exclude 3325. Alan: we can add P-Asserted-ID as a source of UUI. Paul: the intent is SHOULD strenght? Alan: yes. Keith: in the ISDN UUI added in a forward is indistinguishable from one inserted at the origin. History-Info could cause interop issues. Alan: not sure we should forbid it because the ISDN does not support it. Paul: do you want to forbid H-I for UUI? (Note taker got disconnected for a couple of minutes.) Will discuss on the list. The draft references 4244bis even if it does not use any of the changes. Will keep the fresh ref unless it holds it back. Keith: at some point we may need a review from SIPCORE. Paul: the term "applications" is ambiguous in guidelines. Is "call center product" an application? Or is it a deployment using UUI? Alan: we don't fully know this until we receive proposals for applications. The only one we have is ISDN. Paul: it may be useful to explain what we mean by that. Alan: would prefer not to narrow the scope of applications too much. I don't know how we can do that now. We can add a minimum set of guidelines. We'll make sure that we are consistent about the use of "applications". Keith: not really convinced the ISDN usage needs a media tag. Paul: either you need a feature tag or you don't. ISDN usage draft ---------------- Keith presents the ISDN usage draft. Paul: confused about some of the wording, e.g. "you must use it in invite only" and then "in any other in-dialog message". Keith: it could be in re-INVITE, or an empty UUI. Paul: in section 7 you say initial INVITE. Alan: seems like the ISDN is using the empty UUI for discovering UUI support. It still seems the right thing to do, from the SIP perspective you are still conveying end-to-end info. Paul: section 6 is a little confused. Alan: this draft will create the first entries in the app and content parameters IANA registries. Vijay: if anyone is opposed to adopting this draft as WG item, please speak now. No one opposed. 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qmta05.westchester.pa.mail.comcast.net (qmta05.westchester.pa.mail.comcast.net [76.96.62.48]) by ietfa.amsl.com (Postfix) with ESMTP id 2871521F8E7F for ; Mon, 3 Oct 2011 19:28:59 -0700 (PDT) Received: from omta17.westchester.pa.mail.comcast.net ([76.96.62.89]) by qmta05.westchester.pa.mail.comcast.net with comcast id gRRH1h0061vXlb855SY4NW; Tue, 04 Oct 2011 02:32:04 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([205.168.243.143]) by omta17.westchester.pa.mail.comcast.net with comcast id gSXs1h00K36M3z93dSXv0N; Tue, 04 Oct 2011 02:32:02 +0000 Message-ID: <4E8A7020.80607@alum.mit.edu> Date: Mon, 03 Oct 2011 22:32:00 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: "DRAGE, Keith (Keith)" References: <4E7B8141.5000006@alum.mit.edu> <4E88CF4A.7020708@alum.mit.edu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "cuss@ietf.org" Subject: Re: [cuss] Definition of "application" X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 02:29:01 -0000 On 10/3/11 9:15 AM, DRAGE, Keith (Keith) wrote: > 1) As far as the ISDN package is concerned, it is just something above from which I receive and to which I deliver UUI. I don't believe we make any assumptions about how it is structured, not at the moment do I see a need to. The payload may well place requirements on that, but the payload contents is out of scope of the package. > > Essentially the "package" (new name for "app") header field parameter, and the "content" header field parameter define all the information that is available to determine the contents of the UUI payload. > > The intention is to make values of these header field parameters RFC defined and registered. > > Therefore if a vendor wants to use package x, and wants other indications that it is version A in the payload versus version B in the payload then one of: > > 1) Use part of the payload to define the appropriate versioning > > 2) Write an RFC to define new values of content or whatever. > > 3) Assume some a priori agreement between the sender and receiver as to what the contents of this payload really mean. This is what happens in the ISDN, and is I believe what we are currently assuming will happen generally in UUI. Well, to use anything other than ISDN, there would have to be at least one new package and content defined. If (3) is the expected usage, then I guess we should include one such definition as part of this work, for a content that allows anything and a package that calls for that content. And then we can more or less assume that is all there will ever be. But if that is the case, then there is no point in defining package and content at all, which is why I am asking the question. ISTM that it would be better if each distinct usage had its own unique package name. But if individual deployments of applications have their own content definitions, then RFC registration of a package for each is unrealistic. So maybe we need a way to identify unique package names and content names without need of a formal registration process, such as is allowed for callee capabilities. Having this would ensure that if uui arrives at a place that won't understand the content, that will be recognized. Thanks, Paul > Regards > > Keith > > > >> -----Original Message----- >> From: Paul Kyzivat [mailto:pkyzivat@alum.mit.edu] >> Sent: 02 October 2011 21:54 >> To: DRAGE, Keith (Keith) >> Cc: cuss@ietf.org >> Subject: Re: [cuss] Definition of "application" >> >> On 9/23/11 6:49 AM, DRAGE, Keith (Keith) wrote: >>> I suspect we need two separate and distinct terms. >>> >>> 1) To represent the entity above the SIP later which is the consumer >> and generator of the UUI information, and which in many cases will not be >> a SIP user. This entity has responsibility for the format and content of >> the payload (including the ISDN protocol discriminator). >> >> Are you presuming there is a single (distributed) entity that both >> generates and consumes the UUI info? Or shall we treat the generator and >> the consumer as independent entities? >> >> In any case, while we probably do need some terminology for this, it can >> be a little loose, because I don't think there are any normative >> requirements on it - its only descriptive. >> >>> 2) To represent the different usage documents, where a different >> maps to each different value of the "app" header field parameter. The >> value of the "app" header field parameter defines what values are >> legitimate in the "content" header field parameter and the "encoding" >> header field parameter. >> >> This is more what I was concerned about. But I do think there is a tight >> relationship between this, and the consuming entity. >> >> What concerns me is the granularity of these, who deals with them, how >> often do they change. The registration model must be realistic relative >> to these characteristics. >> >> For instance, IIUC, each distinct call center that deploys a suite of >> call center applications is likely to have its own set of content >> descriptions, and a unique "app" to identify them. But I also think its >> unrealistic to expect that each call center deployment will do a unique >> IANA registration. >> >> Thanks, >> Paul >> >>> Suggestions welcome. >>> >>> Regards >>> >>> Keith >>> >>>> -----Original Message----- >>>> From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf Of >>>> Paul Kyzivat >>>> Sent: 22 September 2011 19:41 >>>> To: cuss@ietf.org >>>> Subject: [cuss] Definition of "application" >>>> >>>> In the meeting the other day I expressed confusion over the use of >>>> "application" in cuss. IMO its far from clear what is intended, and it >>>> may be ambiguous. Here are some examples of usage of this term in the >>>> mechanism doc: >>>> >>>> Individual applications using the UUI mechanism will >>>> utilize media feature tags to indicate that a UA supports a >> particular >>>> application user of UUI. [Section 1] >>>> >>>> All applications using this SIP UUI mechanism must publish a >>>> standards track RFC which describes the usage. The SIP UUI >> mechanism >>>> is applicable in the following situations: >>>> >>>> 1. The information is generated and consumed by an application >>>> during session setup using SIP, but the application is not >>>> necessarily SIP aware. >>>> ... >>>> [Section 5] >>>> >>>> The "app" parameter identifies the application which generates and >>>> consumes the UUI information. [Section 4] >>>> >>>> My confusion is whether "application" means: >>>> >>>> 1) A particular conceptual function (or maybe "business process") >>>> made of components that communicate using sip, that could be >>>> implemented and instantiated multiple times. (E.g. "call center".) >>>> >>>> 2) A particular implementation of (1) as specific server code, >>>> but which still can be instantiated multiple times. (E.g. >>>> "Example Corp distributed call center product") >>>> >>>> 3) A particular deployment of (1) or (2). (E.g. the ABC Corp. >>>> deployment of the Example Corp distributed call center product, >>>> including configuration of the data gathered by an IVR and >>>> passed via UUI.) >>>> >>>> The reason I ask is because its my impression that common practice >> today >>>> is for the format of data passed via UUI to be customized per >>>> deployment. Thus "content" would need to be defined per deployment. And >>>> then, since applications define the allowed content, the applications >>>> also need to be defined per-deployment. (What I describe as (3) above.) >>>> BUT, IMO its unreasonable to expect that individual deployments would >> do >>>> such registration. >>>> >>>> But IMO it would be good to use app= and content= to identify the >>>> significance of the UUI data. Doing so would potentially prevent >>>> mistakes due to misconfiguration, and would help in analysis of network >>>> traffic. It also could potentially be used for message routing. >>>> >>>> It *may* be possible that standards could be defined for "content", >>>> consistent with application definitions (1) and/or (2) above. But that >>>> remains to be demonstrated - it may not turn out to be true in >> practice. >>>> >>>> If applications of UUI fall into definition (3) above, then I think the >>>> naming for applications and content needs to be relaxed so that no >>>> registration is required. That probably means identifiers that are >>>> naturally unique. >>>> >>>> Thanks, >>>> Paul >>>> _______________________________________________ >>>> cuss mailing list >>>> cuss@ietf.org >>>> https://www.ietf.org/mailman/listinfo/cuss >>> > > From enrico.marocco@telecomitalia.it Tue Oct 4 02:10:50 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 74CAF21F8CF7 for ; Tue, 4 Oct 2011 02:10:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -100.698 X-Spam-Level: X-Spam-Status: No, score=-100.698 tagged_above=-999 required=5 tests=[AWL=0.021, BAYES_00=-2.599, HELO_EQ_IT=0.635, HOST_EQ_IT=1.245, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bOVHZ04hY7t9 for ; Tue, 4 Oct 2011 02:10:49 -0700 (PDT) Received: from GRFEDG701BA020.telecomitalia.it (grfedg701ba020.telecomitalia.it [156.54.233.200]) by ietfa.amsl.com (Postfix) with ESMTP id 2606D21F8CBF for ; Tue, 4 Oct 2011 02:10:48 -0700 (PDT) Received: from GRFHUB701BA020.griffon.local (10.188.101.111) by GRFEDG701BA020.telecomitalia.it (10.188.45.100) with Microsoft SMTP Server (TLS) id 8.2.254.0; Tue, 4 Oct 2011 11:13:51 +0200 Received: from MacLab.local (163.162.180.246) by smtp.telecomitalia.it (10.188.101.114) with Microsoft SMTP Server (TLS) id 8.2.254.0; Tue, 4 Oct 2011 11:13:50 +0200 Message-ID: <4E8ACE33.60902@telecomitalia.it> Date: Tue, 4 Oct 2011 11:13:23 +0200 From: Enrico Marocco User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: "cuss@ietf.org" Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms060605070900040203010107" Subject: [cuss] Virtual interim meeting in October X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 09:10:50 -0000 --------------ms060605070900040203010107 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Folks, as agreed during the interim in September, the cuss WG will have another virtual interim meeting in October, before Taipei. The candidate dates are October 24 - 28; early next week we'll file a request for a 2 hour WebEx slot according to your preference you can express using the Doodle poll available at: http://www.doodle.com/45uiqu58mp5emh3k Enrico and Vijay --------------ms060605070900040203010107 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIINfjCC BjQwggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoT DVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNp Z25pbmcxKTAnBgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3 MTAyNDIxMDE1NVoXDTE3MTAyNDIxMDE1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1T dGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWdu aW5nMTgwNgYDVQQDEy9TdGFydENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENs 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Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AFD6021F8B21 for ; Tue, 4 Oct 2011 09:36:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.623 X-Spam-Level: X-Spam-Status: No, score=-106.623 tagged_above=-999 required=5 tests=[AWL=-0.024, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id i8I3WwvZCQQZ for ; Tue, 4 Oct 2011 09:36:10 -0700 (PDT) Received: from ihemail1.lucent.com (ihemail1.lucent.com [135.245.0.33]) by ietfa.amsl.com (Postfix) with ESMTP id B710021F8B20 for ; Tue, 4 Oct 2011 09:36:10 -0700 (PDT) Received: from usnavsmail2.ndc.alcatel-lucent.com (usnavsmail2.ndc.alcatel-lucent.com [135.3.39.10]) by ihemail1.lucent.com (8.13.8/IER-o) with ESMTP id p94GdFif024930 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 4 Oct 2011 11:39:15 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail2.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p94GdFEK000571 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Tue, 4 Oct 2011 11:39:15 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p94GdErZ000651; Tue, 4 Oct 2011 11:39:14 -0500 (CDT) Message-ID: <4E8B3751.2000106@bell-labs.com> Date: Tue, 04 Oct 2011 11:41:53 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2 MIME-Version: 1.0 To: "Drage, Keith (Keith)" , cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.33 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.10 Subject: [cuss] Consensus on adopting draft-drage-cuss-sip-uui-isdn X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 16:36:14 -0000 Keith: Based on the WG list feedback, draft-drage-cuss-sip-uui-isdn is adopted as a WG item towards the last orphan milestone (ISDN UUI Service application usage specification). Can you kindly arrange for a WG -00 version to appear on the IETF archives at your earliest convenience? Thanks, - vijay -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com Web: http://ect.bell-labs.com/who/vkg/ From internet-drafts@ietf.org Tue Oct 4 10:11:26 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 570AA21F8DB0; Tue, 4 Oct 2011 10:11:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.587 X-Spam-Level: X-Spam-Status: No, score=-102.587 tagged_above=-999 required=5 tests=[AWL=0.012, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CVyDFsWnt3DE; Tue, 4 Oct 2011 10:11:25 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DB27B21F8DAE; Tue, 4 Oct 2011 10:11:25 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 3.60 Message-ID: <20111004171125.20815.73922.idtracker@ietfa.amsl.com> Date: Tue, 04 Oct 2011 10:11:25 -0700 Cc: cuss@ietf.org Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-00.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 17:11:26 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Call Control UUI Service for SIP Work= ing Group of the IETF. Title : Interworking ISDN Call Control User Information with SIP Author(s) : Keith Drage Alan Johnston Filename : draft-ietf-cuss-sip-uui-isdn-00.txt Pages : 16 Date : 2011-10-04 The motivation and use cases for interworking and transporting ITU-T DSS1 User-user information element data in SIP are described in the "Problem Statement and Requirements for Transporting User to User Call Control Information in SIP" document. As networks move to SIP it is important that applications requiring this data can continue to function in SIP networks as well as the ability to interwork with this ISDN service for end-to- end transparency. This document defines a usage of the User-to-User header field to enable interworking with this ISDN service. This document is covers the interworking with both public ISDN and private ISDN capabilities, so the interworking with QSIG will also be addressed. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-00.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ This Internet-Draft can be retrieved at: ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-00.txt From keith.drage@alcatel-lucent.com Tue Oct 4 11:18:21 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ADD5021F8DEB for ; Tue, 4 Oct 2011 11:18:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -105.997 X-Spam-Level: X-Spam-Status: No, score=-105.997 tagged_above=-999 required=5 tests=[AWL=0.252, BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lZcs1Yv2FypX for ; Tue, 4 Oct 2011 11:18:21 -0700 (PDT) Received: from smail6.alcatel.fr (smail6.alcatel.fr [64.208.49.42]) by ietfa.amsl.com (Postfix) with ESMTP id BC2AB21F8DC1 for ; Tue, 4 Oct 2011 11:18:20 -0700 (PDT) Received: from FRMRSSXCHHUB01.dc-m.alcatel-lucent.com (FRMRSSXCHHUB01.dc-m.alcatel-lucent.com [135.120.45.61]) by smail6.alcatel.fr (8.14.3/8.14.3/ICT) with ESMTP id p94ILP95024446 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT) for ; Tue, 4 Oct 2011 20:21:25 +0200 Received: from FRMRSSXCHMBSC3.dc-m.alcatel-lucent.com ([135.120.45.45]) by FRMRSSXCHHUB01.dc-m.alcatel-lucent.com ([135.120.45.61]) with mapi; Tue, 4 Oct 2011 20:21:25 +0200 From: "DRAGE, Keith (Keith)" To: "cuss@ietf.org" Date: Tue, 4 Oct 2011 20:21:24 +0200 Thread-Topic: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-00.txt Thread-Index: AcyCuRxl7IuGqsC8T2WtHAbXNonWHAACUjmg Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.69 on 155.132.188.84 Subject: [cuss] FW: I-D Action: draft-ietf-cuss-sip-uui-isdn-00.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2011 18:18:21 -0000 I've just submitted the working group version of this document, and the WG = chairs have approved it for posting. Changes from the author draft, already identified to the list are as follow= s: Removed overburdening of the word "application". Changed the name of the "app" header field parameter in the mechanism draft to "package" header field parameter. This had a consequential impact on the ISDN document. The word "application" is now solely reserved for the name of the functionality that passes the UUI to the SIP functionality to send, and to which the UUI is delivered on receipt by the SIP functionality. As well as the change of the name of the header field parameter, this resulted in a number of instances of the word "application" becoming "package". A couple of instances relating to the coding of the "content" header field parameter have become "SIP entity". Section 5 needed substantial rewording as it no longer applied in this manner. Modified the text to indicate that if one wants to use an enhanced UUI where both endpoints are SIP, but still work with the ISDN, then one will have to same information using two different packages, one the ISDN one, and the other some enhanced package. In section 8, a couple of requirements relating to the "content" header field parameter really related to the "package" header field parameter (formerly "app" header field parameter). These are corrected. Updated references from "draft-johnston-cuss-sip-uui" to "draft-ietf-cuss-sip-uui". Made clear throughout the document that the UUI payload is a protocol discriminator plus 128 octets of data. Made clearer that it is the initial INVITE request and responses and the BYE request and responses only that carry the information in this package. Made clear that there are no normative requirements on the protocol discriminator. In particular text is added to the end of section 9. Removed the following text from section 7, as it is a duplicate of the text in section 9: " When sending UUI, the sending application MUST include a protocol discriminator octet, conforming to table 4-26 of ITU-T Recommendation Q.931 [Q931] as the first octet of the payload information." Defined a media feature tag specific for the package. It has been proposed to do this for all packages. "sip.uui-isdn" has been added. Corrected the short title for the draft. Any comments and discussion gratefully received. Regards Keith > -----Original Message----- > From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf Of > internet-drafts@ietf.org > Sent: 04 October 2011 18:11 > To: i-d-announce@ietf.org > Cc: cuss@ietf.org > Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-00.txt >=20 > A New Internet-Draft is available from the on-line Internet-Drafts > directories. This draft is a work item of the Call Control UUI Service fo= r > SIP Working Group of the IETF. >=20 > Title : Interworking ISDN Call Control User Information > with SIP > Author(s) : Keith Drage > Alan Johnston > Filename : draft-ietf-cuss-sip-uui-isdn-00.txt > Pages : 16 > Date : 2011-10-04 >=20 > The motivation and use cases for interworking and transporting ITU-T > DSS1 User-user information element data in SIP are described in the > "Problem Statement and Requirements for Transporting User to User > Call Control Information in SIP" document. As networks move to > SIP > it is important that applications requiring this data can continue to > function in SIP networks as well as the ability to interwork with > this ISDN service for end-to- end transparency. This document > defines a usage of the User-to-User header field to enable > interworking with this ISDN service. >=20 > This document is covers the interworking with both public ISDN and > private ISDN capabilities, so the interworking with QSIG will also be > addressed. >=20 >=20 > A URL for this Internet-Draft is: > http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-00.txt >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 > This Internet-Draft can be retrieved at: > ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-00.txt > _______________________________________________ > cuss mailing list > cuss@ietf.org > https://www.ietf.org/mailman/listinfo/cuss From vkg@bell-labs.com Tue Oct 11 06:59:52 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EDB9321F8CCC for ; Tue, 11 Oct 2011 06:59:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -105.855 X-Spam-Level: X-Spam-Status: No, score=-105.855 tagged_above=-999 required=5 tests=[AWL=0.744, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LECa3iKzFfTR for ; Tue, 11 Oct 2011 06:59:52 -0700 (PDT) Received: from ihemail4.lucent.com (ihemail4.lucent.com [135.245.0.39]) by ietfa.amsl.com (Postfix) with ESMTP id 6B11221F8C4F for ; Tue, 11 Oct 2011 06:59:52 -0700 (PDT) Received: from usnavsmail4.ndc.alcatel-lucent.com (usnavsmail4.ndc.alcatel-lucent.com [135.3.39.12]) by ihemail4.lucent.com (8.13.8/IER-o) with ESMTP id p9BDxoeR025506 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 11 Oct 2011 08:59:50 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail4.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9BDxnGX014624 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Tue, 11 Oct 2011 08:59:49 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9BDxn1M017617 for ; Tue, 11 Oct 2011 08:59:49 -0500 (CDT) Message-ID: <4E944C79.6040503@bell-labs.com> Date: Tue, 11 Oct 2011 09:02:33 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.39 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.12 Subject: [cuss] Next Virtual Interim Meeting (tentative) X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Oct 2011 13:59:53 -0000 Folks: Please mark your calendars for the next WG interim meeting with WebEx support as follows (subject to AD approval): Date/Time: Tue, October 25 2011 @ 10:00 AM - 12:00 PM Chicago / 5:00 PM - 7:00 PM Frankfurt, Rome Agenda and more details to follow once request has been approved. In the meantime, please mark your calendars. Thank you, Vijay K. Gurbani and Enrico Marocco From wwwrun@ietfa.amsl.com Tue Oct 11 09:49:52 2011 Return-Path: X-Original-To: cuss@ietf.org Delivered-To: cuss@ietfa.amsl.com Received: by ietfa.amsl.com (Postfix, from userid 30) id C8F2021F8EC6; Tue, 11 Oct 2011 09:49:52 -0700 (PDT) From: IESG Secretary To: IETF Announcement list Content-Type: text/plain; charset="utf-8" Mime-Version: 1.0 Message-Id: <20111011164952.C8F2021F8EC6@ietfa.amsl.com> Date: Tue, 11 Oct 2011 09:49:52 -0700 (PDT) Cc: cuss@ietf.org Subject: [cuss] CUSS Working Group Virtual Interim Meeting: October 25, 2011 X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Oct 2011 16:49:52 -0000 The CUSS working group will hold a virtual interim meeting, with WebEx support, as follows: Date/Time: Tue, October 25 2011 @ 10:00 AM - 12:00 PM Chicago / 5:00 PM - 7:00 PM Frankfurt, Rome WebEx details for this meeting will be posted to the CUSS mailing list (http://www.ietf.org/mail-archive/web/cuss/). From internet-drafts@ietf.org Sat Oct 22 17:31:55 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B3D8821F8AAA; Sat, 22 Oct 2011 17:31:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.578 X-Spam-Level: X-Spam-Status: No, score=-102.578 tagged_above=-999 required=5 tests=[AWL=0.021, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2YkOl2bgOJkr; Sat, 22 Oct 2011 17:31:55 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4EF3321F8A6F; Sat, 22 Oct 2011 17:31:55 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 3.61 Message-ID: <20111023003155.17283.90648.idtracker@ietfa.amsl.com> Date: Sat, 22 Oct 2011 17:31:55 -0700 Cc: cuss@ietf.org Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-03.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Oct 2011 00:31:55 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Call Control UUI Service for SIP Work= ing Group of the IETF. Title : A Mechanism for Transporting User to User Call Control I= nformation in SIP Author(s) : Alan Johnston James Rafferty Filename : draft-ietf-cuss-sip-uui-03.txt Pages : 16 Date : 2011-10-22 There is a need for applications using SIP to exchange User to User Information (UUI) data during session establishment. This information, known as call control UUI data, is a small piece of data inserted by an application initiating the session, and utilized by an application accepting the session. Applications define a UUI package for the transport of their UUI data. This data is opaque to SIP and its function is unrelated to any basic SIP function. This document defines a new SIP header field, User-to-User, to transport UUI data, along with an extension mechanism. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-03.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ This Internet-Draft can be retrieved at: ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-03.txt From alan.b.johnston@gmail.com Sun Oct 23 13:47:03 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 19C3021F8ACC for ; Sun, 23 Oct 2011 13:47:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.599 X-Spam-Level: X-Spam-Status: No, score=-103.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KkDQn13TdrYC for ; Sun, 23 Oct 2011 13:47:02 -0700 (PDT) Received: from mail-yw0-f44.google.com (mail-yw0-f44.google.com [209.85.213.44]) by ietfa.amsl.com (Postfix) with ESMTP id 8054F21F8AAA for ; Sun, 23 Oct 2011 13:47:02 -0700 (PDT) Received: by ywt2 with SMTP id 2so2062376ywt.31 for ; Sun, 23 Oct 2011 13:47:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=GaWE6T1b6tqPpJjfAVRZjGRZlbBTqry16nTu3UwwGV0=; b=pgHlAcu+1QsKtkB5UcvaXAod+BP7G7gVrHigm8fYg88BMB40PtsShdV10UvvF5kEpq dfwaZSv51HsFzgeww+nbruilVdG/7J51JYYy+qdjmYeoK4XzHykmn6MDDykWUXfjOh/f AsU89DXazCPakwfgcxyO/0McYLxf0M+7ifRWY= MIME-Version: 1.0 Received: by 10.182.50.8 with SMTP id y8mr2122287obn.79.1319402822053; Sun, 23 Oct 2011 13:47:02 -0700 (PDT) Received: by 10.182.47.7 with HTTP; Sun, 23 Oct 2011 13:47:02 -0700 (PDT) In-Reply-To: <20111023003155.17283.90648.idtracker@ietfa.amsl.com> References: <20111023003155.17283.90648.idtracker@ietfa.amsl.com> Date: Sun, 23 Oct 2011 15:47:02 -0500 Message-ID: From: Alan Johnston To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [cuss] I-D Action: draft-ietf-cuss-sip-uui-03.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Oct 2011 20:47:03 -0000 Here are the changes to the -03 version of the draft (you can see all of them in the diff http://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-cuss-sip-uui-03.txt) - Terminology: consistent use of "UUI data" to refer to the contents of the User-to-User header field - Terminology: replaced "application" with "package". Added text describing how new UUI packages are defined. - Updated ABNF: added option for quoted-string - Source Identity: clarified text and added reference to RFC 3325 - Added RPC to non-use cases for UUI - IANA Registries: added text creating IANA registries for package, content, and encoding values Comments most welcome! - Alan - On Sat, Oct 22, 2011 at 7:31 PM, wrote: > A New Internet-Draft is available from the on-line Internet-Drafts direct= ories. This draft is a work item of the Call Control UUI Service for SIP Wo= rking Group of the IETF. > > =A0 =A0 =A0 =A0Title =A0 =A0 =A0 =A0 =A0 : A Mechanism for Transporting U= ser to User Call Control Information in SIP > =A0 =A0 =A0 =A0Author(s) =A0 =A0 =A0 : Alan Johnston > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0James Rafferty > =A0 =A0 =A0 =A0Filename =A0 =A0 =A0 =A0: draft-ietf-cuss-sip-uui-03.txt > =A0 =A0 =A0 =A0Pages =A0 =A0 =A0 =A0 =A0 : 16 > =A0 =A0 =A0 =A0Date =A0 =A0 =A0 =A0 =A0 =A0: 2011-10-22 > > =A0 There is a need for applications using SIP to exchange User to User > =A0 Information (UUI) data during session establishment. =A0This > =A0 information, known as call control UUI data, is a small piece of data > =A0 inserted by an application initiating the session, and utilized by an > =A0 application accepting the session. =A0Applications define a UUI packa= ge > =A0 for the transport of their UUI data. =A0This data is opaque to SIP an= d > =A0 its function is unrelated to any basic SIP function. =A0This document > =A0 defines a new SIP header field, User-to-User, to transport UUI data, > =A0 along with an extension mechanism. > > > A URL for this Internet-Draft is: > http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-03.txt > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > This Internet-Draft can be retrieved at: > ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-03.txt > _______________________________________________ > cuss mailing list > cuss@ietf.org > https://www.ietf.org/mailman/listinfo/cuss > From vkg@bell-labs.com Mon Oct 24 08:45:36 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C91701F0C4B for ; Mon, 24 Oct 2011 08:45:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.516 X-Spam-Level: X-Spam-Status: No, score=-106.516 tagged_above=-999 required=5 tests=[AWL=0.083, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lAcTogGCfP8U for ; Mon, 24 Oct 2011 08:45:33 -0700 (PDT) Received: from ihemail3.lucent.com (ihemail3.lucent.com [135.245.0.37]) by ietfa.amsl.com (Postfix) with ESMTP id 110FF1F0C38 for ; Mon, 24 Oct 2011 08:45:30 -0700 (PDT) Received: from usnavsmail3.ndc.alcatel-lucent.com (usnavsmail3.ndc.alcatel-lucent.com [135.3.39.11]) by ihemail3.lucent.com (8.13.8/IER-o) with ESMTP id p9OFjShc002882 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 24 Oct 2011 10:45:29 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail3.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9OFjSiF010235 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 24 Oct 2011 10:45:28 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9OFjS7i018796 for ; Mon, 24 Oct 2011 10:45:28 -0500 (CDT) Message-ID: <4EA588C5.4020305@bell-labs.com> Date: Mon, 24 Oct 2011 10:48:21 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.37 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.11 Subject: [cuss] WebEx coordinates for virtual meeting X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2011 15:45:36 -0000 The CUSS virtual interim meeting is scheduled on Date: Tue Oct 25, 2011 Time: 10:00 AM US Central / 11:00 AM US Eastern / 8:00 AM US Pacific / 5:00 PM Paris, Frankfurt / 4:00 PM London Webex coordinates are as follows: ------------------------------------------------------- Meeting information ------------------------------------------------------- Topic: CUSS Virtual Interim Date: Tuesday, October 25, 2011 Time: 10:00 am, Central Daylight Time (Chicago, GMT-05:00) Meeting Number: 649 358 233 Meeting Password: 7845 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://ietf.webex.com/ietf/j.php?ED=146811052&UID=490995172&PW=NZDdmODA4OGJj&RT=MiM3 ------------------------------------------------------- Audio conference information ------------------------------------------------------- Call-in toll number (US/Canada): +1-408-600-3600 Access code:649 358 233 ------------------------------------------------------- For assistance ------------------------------------------------------- 1. Go to https://ietf.webex.com/ietf/mc 2. On the left navigation bar, click "Support". To add this meeting to your calendar program (for example Microsoft Outlook), click this link: https://ietf.webex.com/ietf/j.php?ED=146811052&UID=490995172&ICS=MS&LD=1&RD=2&ST=1&SHA2=96PVeoX0LU3piZx3HRIdGmUPMqIKgKRHZwppvlIWYao= To check whether you have the appropriate players installed for UCF (Universal Communications Format) rich media files, go to https://ietf.webex.com/ietf/systemdiagnosis.php. http://www.webex.com CCM:+14086003600x649358233# IMPORTANT NOTICE: This WebEx service includes a feature that allows audio and any documents and other materials exchanged or viewed during the session to be recorded. You should inform all meeting attendees prior to recording if you intend to record the meeting. Please note that any such recordings may be subject to discovery in the event of litigation. - vijay -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com Web: http://ect.bell-labs.com/who/vkg/ From vkg@bell-labs.com Mon Oct 24 08:55:59 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DDDB021F85B9 for ; Mon, 24 Oct 2011 08:55:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.525 X-Spam-Level: X-Spam-Status: No, score=-106.525 tagged_above=-999 required=5 tests=[AWL=0.074, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JgMSi2xeDUg3 for ; Mon, 24 Oct 2011 08:55:59 -0700 (PDT) Received: from ihemail3.lucent.com (ihemail3.lucent.com [135.245.0.37]) by ietfa.amsl.com (Postfix) with ESMTP id 3423921F8677 for ; Mon, 24 Oct 2011 08:55:53 -0700 (PDT) Received: from usnavsmail1.ndc.alcatel-lucent.com (usnavsmail1.ndc.alcatel-lucent.com [135.3.39.9]) by ihemail3.lucent.com (8.13.8/IER-o) with ESMTP id p9OFtqqF011709 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 24 Oct 2011 10:55:52 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail1.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9OFtpFR008913 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 24 Oct 2011 10:55:52 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9OFtpPe028734 for ; Mon, 24 Oct 2011 10:55:51 -0500 (CDT) Message-ID: <4EA58B35.60008@bell-labs.com> Date: Mon, 24 Oct 2011 10:58:45 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.37 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.9 Subject: [cuss] Draft agenda for cuss virtual X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2011 15:56:00 -0000 Folks: A cuss virtual is scheduled tomorrow (Tue, Oct-25). The WebEx details are available here: http://www.ietf.org/mail-archive/web/cuss/current/msg00289.html A draft agenda is as follows: Administrivia Chairs 5 min CUSS Mechanism draft Alan Johnston/ 30 min James Rafferty I-D: http://tools.ietf.org/html/draft-ietf-cuss-sip-uui-03 Interworking ISDN Keith Drage 30 min I-D: http://tools.ietf.org/html/draft-ietf-cuss-sip-uui-isdn-00 Slides will be posted as soon as they become available. Thanks, Vijay K. Gurbani and Enrico Marocco From pkyzivat@alum.mit.edu Mon Oct 24 13:37:11 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B83AD11E8128 for ; Mon, 24 Oct 2011 13:37:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.366 X-Spam-Level: X-Spam-Status: No, score=-2.366 tagged_above=-999 required=5 tests=[AWL=0.233, BAYES_00=-2.599] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F+432BUJKgNY for ; Mon, 24 Oct 2011 13:37:11 -0700 (PDT) Received: from qmta03.westchester.pa.mail.comcast.net (qmta03.westchester.pa.mail.comcast.net [76.96.62.32]) by ietfa.amsl.com (Postfix) with ESMTP id 0131011E8122 for ; Mon, 24 Oct 2011 13:37:10 -0700 (PDT) Received: from omta15.westchester.pa.mail.comcast.net ([76.96.62.87]) by qmta03.westchester.pa.mail.comcast.net with comcast id ojHn1h0091swQuc53kdBvf; Mon, 24 Oct 2011 20:37:11 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([24.62.109.41]) by omta15.westchester.pa.mail.comcast.net with comcast id okdA1h02t0tdiYw3bkdB8M; Mon, 24 Oct 2011 20:37:11 +0000 Message-ID: <4EA5CC74.7090205@alum.mit.edu> Date: Mon, 24 Oct 2011 16:37:08 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: cuss@ietf.org References: <20111023003155.17283.90648.idtracker@ietfa.amsl.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [cuss] I-D Action: draft-ietf-cuss-sip-uui-03.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2011 20:37:11 -0000 Since this is approaching completion, its time to focus in on things that were, up till now, details that could be left till later. I've found several of those: Why must newly defined packages define a new "content" value? I can imagine cases where a new package reuses previously defined "content" values. E.g. - package X uses content values A,B,C, and defines them - package Y uses content values A,D,E, and defines D & E So, I'm inclined to just say that each package spec references the content types it accepts. Those can be ones that it also defines, or ones that are defined elsewhere (some other RFC.) In guidelines section, there is a list of applicable conditions, and a list of inapplicable conditions (which all seem to be negations of the applicable conditions). How are these to be interpreted if more than one of them match? (Must *all* the applicable conditions match? Or is one sufficient? I presume you intend *all* for applicability, *any* for inapplicability.) It also appears that condition 1 is inconsistent with condition 3. Either an application above sip generates/consumes the data, or the SIP UAC/UAS do so. While "hex" encoding is registered, there is no actual definition of what it means. This is probably well understood at a high level, but there are details that could be misunderstood. Things that need to be nailed down: - does it use [0-9A-F], [0-9a-f], or [0-9A-Fa-f] ? - does it have a prefix (e.g. 0x) or not? - what happens if there are an odd number of hex digits? - can the quoted string syntax be used with hex? It doesn't matter much what we choose above, as long as we do. I would be inclined to: - [0-9A-Fa-f] - no prefix - invalid if it has an odd number of hex digits. Results undefined. - a quoted string may be used with hex. The quotes are ignored. Then I think we need to specify that the hex encoding yields a sequence of octets, one octet per each two hex digits, in the same order, with the first digit of each pair defining the high order 4 bits of the octet and the 2nd digit providing the low order 4 bits. For the content specification to work with hex encoding, it should be defined to work on a sequence of octets. If content specifications are to work with other encodings, I think we need one of the following: - every encoding must be defined to yield a sequence of octets, so that the content specifications will work with them, OR - each content specification must identify which encodings it works with, and how it works with each ISTM that it would be more straightforward to require each encoding to yield a sequence of octets, so that content specifications are independent of encodings. For instance, a "string" encoding could be defined as yielding a sequence of octets that is the UTF8 encoding of the string. Thanks, Paul From alan.b.johnston@gmail.com Mon Oct 24 17:35:43 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2FFF811E81E4 for ; Mon, 24 Oct 2011 17:35:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.599 X-Spam-Level: X-Spam-Status: No, score=-103.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nKAvTStbQoii for ; Mon, 24 Oct 2011 17:35:42 -0700 (PDT) Received: from mail-gy0-f172.google.com (mail-gy0-f172.google.com [209.85.160.172]) by ietfa.amsl.com (Postfix) with ESMTP id 5DAA611E80DB for ; Mon, 24 Oct 2011 17:35:42 -0700 (PDT) Received: by gyh20 with SMTP id 20so7624313gyh.31 for ; Mon, 24 Oct 2011 17:35:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=JExjTmNpchnp0kVzaziG+PqImwPxuiSHtyvlsgkVN7I=; b=eOlfKJujQmHpuBg9WcZ1CVTKsyKl21qtvFa1oseO/kxu7kJZ3lqC28sepiLtZT9uju eeSMQzrIELY1FIPJy4y1UMHRW6eDBk2Rzb1+mEgw8z+HmpDG/9aVJ4Rn48X/B7Be/rVB 2ds2UBJf4CHWqehgOByB3OuoM0/jJYsMV5LAc= MIME-Version: 1.0 Received: by 10.182.77.196 with SMTP id u4mr3820105obw.19.1319502940542; Mon, 24 Oct 2011 17:35:40 -0700 (PDT) Received: by 10.182.47.7 with HTTP; Mon, 24 Oct 2011 17:35:40 -0700 (PDT) In-Reply-To: <4EA5CC74.7090205@alum.mit.edu> References: <20111023003155.17283.90648.idtracker@ietfa.amsl.com> <4EA5CC74.7090205@alum.mit.edu> Date: Mon, 24 Oct 2011 19:35:40 -0500 Message-ID: From: Alan Johnston To: Paul Kyzivat Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: cuss@ietf.org Subject: Re: [cuss] I-D Action: draft-ietf-cuss-sip-uui-03.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Oct 2011 00:35:43 -0000 Paul, These are all excellent issues - I've added them to the slides for tomorrow. In short, I think I agree with all your suggestions, but lets go through them on the interim call. - Alan - On Mon, Oct 24, 2011 at 3:37 PM, Paul Kyzivat wrote= : > Since this is approaching completion, its time to focus in on things that > were, up till now, details that could be left till later. I've found seve= ral > of those: > > Why must newly defined packages define a new "content" value? > I can imagine cases where a new package reuses previously defined "conten= t" > values. E.g. > - package X uses content values A,B,C, and defines them > - package Y uses content values A,D,E, and defines D & E > > So, I'm inclined to just say that each package spec references the conten= t > types it accepts. Those can be ones that it also defines, or ones that ar= e > defined elsewhere (some other RFC.) > > In guidelines section, there is a list of applicable conditions, and a li= st > of inapplicable conditions (which all seem to be negations of the applica= ble > conditions). How are these to be interpreted if more than one of them mat= ch? > (Must *all* the applicable conditions match? Or is one sufficient? I pres= ume > you intend *all* for applicability, *any* for inapplicability.) > > It also appears that condition 1 is inconsistent with condition 3. Either= an > application above sip generates/consumes the data, or the SIP UAC/UAS do = so. > > While "hex" encoding is registered, there is no actual definition of what= it > means. This is probably well understood at a high level, but there are > details that could be misunderstood. Things that need to be nailed down: > - does it use [0-9A-F], [0-9a-f], or [0-9A-Fa-f] ? > - does it have a prefix (e.g. 0x) or not? > - what happens if there are an odd number of hex digits? > - can the quoted string syntax be used with hex? > > It doesn't matter much what we choose above, as long as we do. I would be > inclined to: > - [0-9A-Fa-f] > - no prefix > - invalid if it has an odd number of hex digits. Results undefined. > - a quoted string may be used with hex. The quotes are ignored. > > Then I think we need to specify that the hex encoding yields a sequence o= f > octets, one octet per each two hex digits, in the same order, with the fi= rst > digit of each pair defining the high order 4 bits of the octet and the 2n= d > digit providing the low order 4 bits. > > For the content specification to work with hex encoding, it should be > defined to work on a sequence of octets. If content specifications are to > work with other encodings, I think we need one of the following: > - every encoding must be defined to yield a sequence of octets, > =A0so that the content specifications will work with them, OR > - each content specification must identify which encodings it works > =A0with, and how it works with each > > ISTM that it would be more straightforward to require each encoding to yi= eld > a sequence of octets, so that content specifications are independent of > encodings. For instance, a "string" encoding could be defined as yielding= a > sequence of octets that is the UTF8 encoding of the string. > > =A0 =A0 =A0 =A0Thanks, > =A0 =A0 =A0 =A0Paul > _______________________________________________ > cuss mailing list > cuss@ietf.org > https://www.ietf.org/mailman/listinfo/cuss > From vkg@bell-labs.com Tue Oct 25 06:38:45 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 21F9E21F87D9 for ; Tue, 25 Oct 2011 06:38:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.531 X-Spam-Level: X-Spam-Status: No, score=-106.531 tagged_above=-999 required=5 tests=[AWL=0.068, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FBK3EuezTsZu for ; Tue, 25 Oct 2011 06:38:44 -0700 (PDT) Received: from ihemail1.lucent.com (ihemail1.lucent.com [135.245.0.33]) by ietfa.amsl.com (Postfix) with ESMTP id 4A70821F877F for ; Tue, 25 Oct 2011 06:38:43 -0700 (PDT) Received: from usnavsmail2.ndc.alcatel-lucent.com (usnavsmail2.ndc.alcatel-lucent.com [135.3.39.10]) by ihemail1.lucent.com (8.13.8/IER-o) with ESMTP id p9PDcgv9020846 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 25 Oct 2011 08:38:43 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail2.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9PDcgMW025155 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Tue, 25 Oct 2011 08:38:42 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9PDcf7c015298 for ; Tue, 25 Oct 2011 08:38:42 -0500 (CDT) Message-ID: <4EA6BC90.3020101@bell-labs.com> Date: Tue, 25 Oct 2011 08:41:36 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.33 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.10 Subject: [cuss] Material for virtual interim today X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Oct 2011 13:38:45 -0000 Folks: The material for virtual interim is available at the following website: http://www.standardstrack.com/ietf/cuss/cuss-interim-4/ See you on the bridge. Thanks, - vijay -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com Web: http://ect.bell-labs.com/who/vkg/ From vkg@bell-labs.com Tue Oct 25 08:04:17 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 795CA21F87D9 for ; Tue, 25 Oct 2011 08:04:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.537 X-Spam-Level: X-Spam-Status: No, score=-106.537 tagged_above=-999 required=5 tests=[AWL=0.062, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EFbTSXRoeWE3 for ; Tue, 25 Oct 2011 08:04:13 -0700 (PDT) Received: from ihemail1.lucent.com (ihemail1.lucent.com [135.245.0.33]) by ietfa.amsl.com (Postfix) with ESMTP id AF04721F84F5 for ; Tue, 25 Oct 2011 08:04:13 -0700 (PDT) Received: from usnavsmail2.ndc.alcatel-lucent.com (usnavsmail2.ndc.alcatel-lucent.com [135.3.39.10]) by ihemail1.lucent.com (8.13.8/IER-o) with ESMTP id p9PF4Ckl003795 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 25 Oct 2011 10:04:13 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail2.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9PF4Bbo012479 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Tue, 25 Oct 2011 10:04:12 -0500 Received: from [135.185.236.17] (il0015vkg1.ih.lucent.com [135.185.236.17]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9PF4BwN014448 for ; Tue, 25 Oct 2011 10:04:11 -0500 (CDT) Message-ID: <4EA6CFEB.9080207@bell-labs.com> Date: Tue, 25 Oct 2011 10:04:11 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.33 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.10 Subject: [cuss] Interim meeting now in progress X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Oct 2011 15:04:17 -0000 If you'd like to join, please see http://www.ietf.org/mail-archive/web/cuss/current/msg00289.html -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com Web: http://ect.bell-labs.com/who/vkg/ From vkg@bell-labs.com Tue Oct 25 09:35:22 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4650221F8C4C for ; Tue, 25 Oct 2011 09:35:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.542 X-Spam-Level: X-Spam-Status: No, score=-106.542 tagged_above=-999 required=5 tests=[AWL=0.057, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IUtK0R-3cHxy for ; Tue, 25 Oct 2011 09:35:21 -0700 (PDT) Received: from ihemail2.lucent.com (ihemail2.lucent.com [135.245.0.35]) by ietfa.amsl.com (Postfix) with ESMTP id A81CD21F8C4A for ; Tue, 25 Oct 2011 09:35:21 -0700 (PDT) Received: from usnavsmail1.ndc.alcatel-lucent.com (usnavsmail1.ndc.alcatel-lucent.com [135.3.39.9]) by ihemail2.lucent.com (8.13.8/IER-o) with ESMTP id p9PGZK28005921 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 25 Oct 2011 11:35:20 -0500 (CDT) Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail1.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p9PGZKZu012003 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Tue, 25 Oct 2011 11:35:20 -0500 Received: from shoonya.ih.lucent.com (shoonya.ih.lucent.com [135.185.238.235]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p9PGZKbV016089 for ; Tue, 25 Oct 2011 11:35:20 -0500 (CDT) Message-ID: <4EA6E5F6.8050805@bell-labs.com> Date: Tue, 25 Oct 2011 11:38:14 -0500 From: "Vijay K. Gurbani" Organization: Bell Laboratories, Alcatel-Lucent User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: cuss@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.57 on 135.245.2.35 X-Scanned-By: MIMEDefang 2.64 on 135.3.39.9 Subject: [cuss] F2F meeting in Taipei may be canceled X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Oct 2011 16:35:22 -0000 Folks: At the virtual interim meeting the CUSS WG had today (notes and minutes to be out soon), it was decided that there is no need to meet f2f in Taipei. The issues discovered in the mechanism and ISDN drafts will be handled over list discussions. As such, Enrico and I are polling the greater working group to see if anyone would still like to meet f2f in Taipei (in case someone was planning to send in an agenda request). So ... if anyone sees a need to meet f2f in Taipei, please let us know. Otherwise, we'll release our slot and put it to good use. Please let us know if you have a need to meet f2f by tomorrow (Wed noon, US Central time). Thanks. Vijay K. Gurbani and Enrico Marocco From internet-drafts@ietf.org Thu Oct 27 08:52:47 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 04C2D21F8C0B; Thu, 27 Oct 2011 08:52:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.47 X-Spam-Level: X-Spam-Status: No, score=-102.47 tagged_above=-999 required=5 tests=[AWL=-0.098, BAYES_00=-2.599, SARE_SUB_OBFU_Q1=0.227, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YrSzMbHj3Wgf; Thu, 27 Oct 2011 08:52:46 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A2D4B21F8BB1; Thu, 27 Oct 2011 08:52:46 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 3.62 Message-ID: <20111027155246.2820.37.idtracker@ietfa.amsl.com> Date: Thu, 27 Oct 2011 08:52:46 -0700 Cc: cuss@ietf.org Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-reqs-07.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Oct 2011 15:52:47 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Call Control UUI Service for SIP Work= ing Group of the IETF. Title : Problem Statement and Requirements for Transporting User= to User Call Control Information in SIP Author(s) : Alan Johnston Laura Liess Filename : draft-ietf-cuss-sip-uui-reqs-07.txt Pages : 11 Date : 2011-10-27 This document introduces the transport of call control related User to User Information (UUI) using the Session Initiation Protocol (SIP), and develops several requirements for a new SIP mechanism. Some SIP sessions are established by or related to a non-SIP application. This application may have information that needs to be transported between the SIP User Agents during session establishment. In addition to interworking with the ISDN UUI Service, this extension will also be used for native SIP endpoints requiring application UUI. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-reqs-07.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ This Internet-Draft can be retrieved at: ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-reqs-07.txt From alan.b.johnston@gmail.com Thu Oct 27 08:53:38 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A82021F8C10; Thu, 27 Oct 2011 08:53:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -103.372 X-Spam-Level: X-Spam-Status: No, score=-103.372 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, SARE_SUB_OBFU_Q1=0.227, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uusjsE3vVMhU; Thu, 27 Oct 2011 08:53:36 -0700 (PDT) Received: from mail-qw0-f44.google.com (mail-qw0-f44.google.com [209.85.216.44]) by ietfa.amsl.com (Postfix) with ESMTP id 6A7F621F8C0B; Thu, 27 Oct 2011 08:53:32 -0700 (PDT) Received: by qadc10 with SMTP id c10so3438044qad.31 for ; Thu, 27 Oct 2011 08:53:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=t4AHj/L25dyYWwlGc75S7lsMt7cqP1A6wDrfPEoSKWY=; b=dQVQjF50SxpZn8ePUlC30SuRprQ75HD8wKsCgcdqCYzv0GOPWklTFp0uUq55ikBiDB F9Jc03IJ9hw+UaUoVJ5wgWLa/HaEnHQRSrqyzw4ArzCQNgbi3q4nvgN6dWP7KmwqQguN MXrgDL5NtNIdTIxerRbCEuuSBLYTz1cl87mSQ= Received: by 10.224.27.130 with SMTP id i2mr30439092qac.58.1319730810806; Thu, 27 Oct 2011 08:53:30 -0700 (PDT) Received: from [172.17.125.2] ([12.238.236.2]) by mx.google.com with ESMTPS id v6sm8742588qaz.7.2011.10.27.08.53.26 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 27 Oct 2011 08:53:28 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=windows-1252 From: Alan Johnston In-Reply-To: <24518BC2-479A-4413-B69B-7DC5589751DC@nostrum.com> Date: Thu, 27 Oct 2011 10:53:27 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: References: <24518BC2-479A-4413-B69B-7DC5589751DC@nostrum.com> To: Ben Campbell X-Mailer: Apple Mail (2.1084) Cc: "gen-art@ietf.org Review Team" , "Cuss@ietf.org" , draft-ietf-cuss-sip-uui-reqs.all@tools.ietf.org Subject: Re: [cuss] Gen-ART Last Call review of draft-ietf-cuss-sip-uui-reqs-06 X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Oct 2011 15:53:38 -0000 Ben, Thanks for your review of the draft. See my comments below. I have = also revised the draft as draft-ietf-cuss-sip-uui-reqs-07 which I = believe addresses all the issues. - Alan - On Oct 12, 2011, at 4:27 PM, Ben Campbell wrote: > I am the assigned Gen-ART reviewer for this draft. For background on = Gen-ART, please see the FAQ at = . >=20 > Please resolve these comments along with any other Last Call comments = you may receive. >=20 > Document: draft-ietf-cuss-sip-uui-reqs-06 > Reviewer: Ben Campbell > Review Date: 2011-10-12 > IETF LC End Date: 2011-10-13 >=20 > Summary: This draft is almost ready for publication as an = informational RFC. I have a few minor questions and comments that may be = worth addressing first. >=20 > Major issues: >=20 > None >=20 > Minor issues: >=20 > -- section 1, 2nd paragraph, last sentence: "In particular, this = mechanism creates no requirements on intermediaries such as proxies." >=20 > What about SBCs, B2BUAs, etc? There are no requirements on them either - we'll add text saying that. >=20 > -- REQ-4: "=85 any other form of redirection of the request." >=20 > "Any other form" seems a pretty strong statement. What about a b2bua = doing weird stuff? Sure, no protocol mechanism can prevent a B2BUA from doing something. = We will clarify to just say redirection, since that operation is well = defined in RFC 3261. >=20 > -- REQ-8: "If the UAS does not understand the UUI mechanism, the = request will fail." >=20 > Based on the routing requirement, shouldn't that say that if the = request cannot be routed to a UAS that understands the UUI mechanism, = the request will fail? Yes, this is clearer. >=20 > -- REQ-12:=20 >=20 > What degree of certainty is required here? (i.e. strong identity?) If = implied by the SIP dialog, does that impact expectations on what sort of = authn must happen at the SIP layer? This is not meant to imply strong identity. And since UUI data can = appear in a response, there aren't really any strong methods available = with SIP. The UUI mechanism does not introduce stronger authorization = requirements for SIP, but instead the mechanism needs to be able to = utilize existing SIP approaches. >=20 > -- REQ 13: >=20 > I'm not sure I understand how this interacts with the ability for = intermediaries to remove UUI. Should this be detectable by the = endpoints? Or is that ability limited to the hop-by-hop case, or require = no integrity protection? Yes, there are tradeoffs between this requirement and requirement REQ-9. = Hop-by-hop protection is one way to resolve this interaction. >=20 > Nits/editorial comments: >=20 > -- section 4, 2nd paragraph: "The UUI mechanisim should support both = of these approaches" >=20 > Should that be a numbered requirement? You've got requirements to = support e2e and hop-by-hop, but no requirement that mentions SIP layer = vs application layer. Actually, this sentence is misplaced. There isn't really a requirement = to support both of these. I'll remove it to avoid confusion. From internet-drafts@ietf.org Mon Oct 31 14:27:52 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8091C11E8275; Mon, 31 Oct 2011 14:27:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.569 X-Spam-Level: X-Spam-Status: No, score=-102.569 tagged_above=-999 required=5 tests=[AWL=0.030, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WWXTmDPu8oA0; Mon, 31 Oct 2011 14:27:51 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E492411E826F; Mon, 31 Oct 2011 14:27:51 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 3.62 Message-ID: <20111031212751.25424.99141.idtracker@ietfa.amsl.com> Date: Mon, 31 Oct 2011 14:27:51 -0700 Cc: cuss@ietf.org Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-04.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Oct 2011 21:27:52 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Call Control UUI Service for SIP Work= ing Group of the IETF. Title : A Mechanism for Transporting User to User Call Control I= nformation in SIP Author(s) : Alan Johnston James Rafferty Filename : draft-ietf-cuss-sip-uui-04.txt Pages : 16 Date : 2011-10-31 There is a class of applications which benefit from using SIP to exchange User to User Information (UUI) data during session establishment. This information, known as call control UUI data, is a small piece of data inserted by an application initiating the session, and utilized by an application accepting the session. The rules which apply for a certain application are defined by a UUI package. This UUI data is opaque to SIP and its function is unrelated to any basic SIP function. This document defines a new SIP header field, User-to-User, to transport UUI data, along with an extension mechanism. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-04.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ This Internet-Draft can be retrieved at: ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-04.txt From internet-drafts@ietf.org Mon Oct 31 16:27:26 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B365621F8B64; Mon, 31 Oct 2011 16:27:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.571 X-Spam-Level: X-Spam-Status: No, score=-102.571 tagged_above=-999 required=5 tests=[AWL=0.028, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z6gMGhiwd+4A; Mon, 31 Oct 2011 16:27:26 -0700 (PDT) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 53D9A21F8B0D; Mon, 31 Oct 2011 16:27:26 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 3.62 Message-ID: <20111031232726.30014.65543.idtracker@ietfa.amsl.com> Date: Mon, 31 Oct 2011 16:27:26 -0700 Cc: cuss@ietf.org Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-01.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Oct 2011 23:27:26 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Call Control UUI Service for SIP Work= ing Group of the IETF. Title : Interworking ISDN Call Control User Information with SIP Author(s) : Keith Drage Alan Johnston Filename : draft-ietf-cuss-sip-uui-isdn-01.txt Pages : 17 Date : 2011-10-31 The motivation and use cases for interworking and transporting ITU-T DSS1 User-user information element data in SIP are described in the "Problem Statement and Requirements for Transporting User to User Call Control Information in SIP" document. As networks move to SIP it is important that applications requiring this data can continue to function in SIP networks as well as the ability to interwork with this ISDN service for end-to- end transparency. This document defines a usage of the User-to-User header field to enable interworking with this ISDN service. This document covers the interworking with both public ISDN and private ISDN capabilities, so the potential interworking with QSIG will also be addressed. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-01.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ This Internet-Draft can be retrieved at: ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-01.txt From keith.drage@alcatel-lucent.com Mon Oct 31 16:32:56 2011 Return-Path: X-Original-To: cuss@ietfa.amsl.com Delivered-To: cuss@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A0F0B11E8389 for ; Mon, 31 Oct 2011 16:32:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.147 X-Spam-Level: X-Spam-Status: No, score=-106.147 tagged_above=-999 required=5 tests=[AWL=0.102, BAYES_00=-2.599, HELO_EQ_FR=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ptZqhS8AkLYC for ; Mon, 31 Oct 2011 16:32:56 -0700 (PDT) Received: from smail5.alcatel.fr (smail5.alcatel.fr [64.208.49.27]) by ietfa.amsl.com (Postfix) with ESMTP id C083011E8385 for ; Mon, 31 Oct 2011 16:32:55 -0700 (PDT) Received: from FRMRSSXCHHUB03.dc-m.alcatel-lucent.com (FRMRSSXCHHUB03.dc-m.alcatel-lucent.com [135.120.45.63]) by smail5.alcatel.fr (8.14.3/8.14.3/ICT) with ESMTP id p9VNWsZ6002073 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT) for ; Tue, 1 Nov 2011 00:32:54 +0100 Received: from FRMRSSXCHMBSC3.dc-m.alcatel-lucent.com ([135.120.45.48]) by FRMRSSXCHHUB03.dc-m.alcatel-lucent.com ([135.120.45.63]) with mapi; Tue, 1 Nov 2011 00:32:54 +0100 From: "DRAGE, Keith (Keith)" To: "cuss@ietf.org" Date: Tue, 1 Nov 2011 00:32:52 +0100 Thread-Topic: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-01.txt Thread-Index: AcyYJKvEWXXDfmnLR+O++eO46GszlgAADAaQ Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.69 on 155.132.188.13 Subject: [cuss] FW: I-D Action: draft-ietf-cuss-sip-uui-isdn-01.txt X-BeenThere: cuss@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "Call Control UUI for SIP \(cuss\) working group discussion list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Oct 2011 23:32:56 -0000 I've updated the UUI package draft for the ISDN interworking. I don't believe I've changed anything technically, this is more about ident= ified clarifications arising from the interim meeting a couple of weeks ago= . The detailed list of changes is as follows: QSIG does not define a UUS service. As such changes are made to indicate that it is possible to support a proprietary service on QSIG based on the public ISDN standards, and interworking with such proprietary versions is supported. The associated contributors note regarding interactions with other QSIG services has therefore been removed with this amendment. Added additional paragraph above the objectives of the interworking design. Made clear that the 128 octets apply before encoding in "hex". Reference added to the generic UUI document for the ecoding of "hex". Indicated that it is the "content" header field parameter set to "isdn-uui" that defines the structure of the uui-data, with the first octet being a protocol discriminator and the remaining octets potentially being limited to 128 octets. Aligned the IANA registration section with the registries created by the generic UUI document. Added reference to the generic UUI document to the security considerations section. Although CUSS is not meeting at IETF#82, we are looking for a couple of rev= iewers to go through this with a fine tooth comb, to finally put it in a st= ate for WGLC. Contact the chairs if willing. Regards Keith > -----Original Message----- > From: cuss-bounces@ietf.org [mailto:cuss-bounces@ietf.org] On Behalf Of > internet-drafts@ietf.org > Sent: 31 October 2011 23:27 > To: i-d-announce@ietf.org > Cc: cuss@ietf.org > Subject: [cuss] I-D Action: draft-ietf-cuss-sip-uui-isdn-01.txt >=20 > A New Internet-Draft is available from the on-line Internet-Drafts > directories. This draft is a work item of the Call Control UUI Service fo= r > SIP Working Group of the IETF. >=20 > Title : Interworking ISDN Call Control User Information > with SIP > Author(s) : Keith Drage > Alan Johnston > Filename : draft-ietf-cuss-sip-uui-isdn-01.txt > Pages : 17 > Date : 2011-10-31 >=20 > The motivation and use cases for interworking and transporting ITU-T > DSS1 User-user information element data in SIP are described in the > "Problem Statement and Requirements for Transporting User to User > Call Control Information in SIP" document. As networks move to > SIP > it is important that applications requiring this data can continue to > function in SIP networks as well as the ability to interwork with > this ISDN service for end-to- end transparency. This document > defines a usage of the User-to-User header field to enable > interworking with this ISDN service. >=20 > This document covers the interworking with both public ISDN and > private ISDN capabilities, so the potential interworking with QSIG > will also be addressed. >=20 >=20 > A URL for this Internet-Draft is: > http://www.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-01.txt >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 > This Internet-Draft can be retrieved at: > ftp://ftp.ietf.org/internet-drafts/draft-ietf-cuss-sip-uui-isdn-01.txt > _______________________________________________ > cuss mailing list > cuss@ietf.org > https://www.ietf.org/mailman/listinfo/cuss