### - u -

- UdpPrefix() : OpalTransportAddress
- UDPTL() : OpalFaxSession
- UnCompressSubClass() : IAX2FullFrame
- UnLockSinkTranscoder() : OpalMediaPatch
- Unregister() : SIPEndPoint, IAX2RegProcessor, IAX2EndPoint, H323RegisteredEndPoint
- UnregisterAll() : SIPEndPoint
- UnregisterCodecPlugins() : OpalPluginCodecManager
- UnregistrationRequest() : H323GatekeeperListener, H323Gatekeeper
- Unsigned2String() : PluginCodec_Utilities
- UnsubcribeAll() : SIPEndPoint
- Unsubscribe() : SIPEndPoint
- Update() : SIPDialogContext, SIPHandlersList, OpalMediaFormat
- UpdateDescriptor() : H323PeerElement
- UpdateHandlerIndexes() : SIPEndPoint
- UpdateMediaFormat() : OpalMediaPatch::Sink, OpalMediaPatch, OpalMediaStreamPacing, OpalMediaStream, H323Capability
- UpdateMediaFormats() : OpalFramedTranscoder, OpalTranscoder, OpalVideoTranscoder, OpalPluginVideoTranscoder, OpalPluginStreamedAudioTranscoder, OpalPluginFramedAudioTranscoder
- UpdateOptions() : OpalPluginTranscoder
- UpdateParameters() : SIPMessageHandler, SIPSubscribeHandler, SIPRegisterHandler
- UpdateRemoteAddresses() : SIPConnection
- UseAlternate() : H460_FeatureStd23
- UseGatekeeper() : H323EndPoint
- UseGkAndEpIdentifiers() : H235Authenticator
- UseMediaPassThrough() : OpalMixerNode
- UseMediaSession() : OpalRTPConnection
- UserInput() : OpalMediaType
- UseRTPSession() : OpalRFC2833Proto
- UsesRTP() : OpalLineInterfaceDevice