Here is a list of all class members with links to the classes they belong to:

### - u -

- ucf : H323GatekeeperURQ
- udpPorts : OpalManager
- Uganda : OpalLineInterfaceDevice
- Ukraine : OpalLineInterfaceDevice
- Unallocated : IAX2IeCauseCode
- UnallocatedNumber : Q931
- Unavailable : SIPHandler
- UnCompressSubClass() : IAX2FullFrame
- Undefined : SDPMediaDescription
- undefType : IAX2Frame
- UninitialisedPhase : OpalConnection
- UnitedArabEmirates : OpalLineInterfaceDevice
- UnitedKingdom : OpalLineInterfaceDevice
- UnitedStates : OpalLineInterfaceDevice
- unkeyRadio : IAX2FullFrameSessionControl
- UnknownCauseIE : Q931
- UnknownCountry : OpalLineInterfaceDevice
- UnknownDirection : H323GatekeeperCall
- UnknownPlan : Q931
- UnknownType : Q931
- Unlock() : PMemBuffer< Locker_T >
- UnLockSinkTranscoder() : OpalMediaPatch
- Unregister() : H323RegisteredEndPoint , IAX2EndPoint , IAX2RegProcessor , SIPEndPoint
- UnregisterAll() : SIPEndPoint
- UnregisterCodecPlugins() : OpalPluginCodecManager
- Unregistered : IAX2IeCauseCode
- UnregisteredByGatekeeper : H323Gatekeeper
- UnregisteredError : IAX2EndPoint
- UnregisteredFailureUnknown : IAX2EndPoint
- UnregisteredLocally : H323Gatekeeper
- UnregistrationRequest() : H323Gatekeeper , H323GatekeeperListener
- UnsubcribeAll() : SIPEndPoint
- Unsubscribe() : SIPEndPoint
- Unsubscribed : SIPHandler
- Unsubscribing : SIPHandler
- UpdateConnectionStatus() : H323Gatekeeper
- UpdateDescriptor() : H323PeerElement
- UpdateMediaFormat() : OpalMediaStream , OpalMediaPatch , OpalMediaPatch::Sink
- UpdateMediaFormats() : OpalTranscoder , OpalFramedTranscoder , OpalPluginFramedAudioTranscoder , OpalPluginStreamedAudioTranscoder
- updateMutex : OpalTranscoder
- UpdateOptions() : OpalPluginTranscoder
- UpdateParameters() : SIPRegisterHandler , SIPSubscribeHandler
- UpdateRemoteAddresses() : SIPConnection
- uri : SIP_PDU
- urj : H323GatekeeperURQ
- url : H323HTTPServiceControl
- urq : H323GatekeeperURQ
- Uruguay : OpalLineInterfaceDevice
- UsageContext : SIPURL
- usedBandwidth : H323GatekeeperServer
- useDeblocking : OpalLineMediaStream
- UseGatekeeper() : H323EndPoint
- UseGkAndEpIdentifiers() : H235Authenticator
- UseImmediateReduction() : OpalJitterBuffer
- userAgentString : SIPEndPoint
- UserBusy : Q931 , IAX2IeCauseCode
- userData : PluginCodec_Definition , RTP_Session::Params , RTP_Session , OpalLocalConnection , PluginLID_Definition
- userIndex : IAX2EndPoint
- UserInformationMsg : Q931
- UserInput() : OpalMediaType
- userInputAvailable : OpalConnection
- userInputString : OpalConnection
- userName : IAX2RegProcessor , IAX2CallProcessor , IAX2Connection , IAX2IeData
- username : SIPAuthInfo , SIPAuthentication
- UseRTPAggregation() : OpalManager
- useRTPAggregation : OpalRTPConnection
- UserUserIE : Q931
- UseSession() : OpalRTPConnection , H323Connection
- UsesRTP() : OpalLineInterfaceDevice
- usesTCP : H323_T38Channel
- usPerFrame : PluginCodec_Definition
- USSR : OpalLineInterfaceDevice
- uuiesRequested : H323Connection