### - u -

- UnCompressSubClass() : IAX2FullFrame
- UnLockSinkTranscoder() : OpalMediaPatch
- Unregister() : H323RegisteredEndPoint , IAX2EndPoint , IAX2RegProcessor , SIPEndPoint
- UnregisterAll() : SIPEndPoint
- UnregisterCodecPlugins() : OpalPluginCodecManager
- UnregistrationRequest() : H323Gatekeeper , H323GatekeeperListener
- Unsigned2String() : PluginCodec_MediaFormat
- UnsubcribeAll() : SIPEndPoint
- Unsubscribe() : SIPEndPoint
- UnsubscribeBuddyList() : OpalPresentity
- UnsubscribeBuddyListEx() : OpalPresentity
- UnsubscribeFromPresence() : OpalPresentity
- Update() : OpalMediaFormat , SIPDialogContext , SIPHandlersList
- UpdateConnectionStatus() : H323Gatekeeper
- UpdateDescriptor() : H323PeerElement
- UpdateHandlerIndexes() : SIPEndPoint
- UpdateMediaFormat() : H323Capability , OpalMediaPatch::Sink , OpalMediaPatch , OpalMediaStream
- UpdateMediaFormats() : OpalFramedTranscoder , OpalPluginFramedAudioTranscoder , OpalPluginStreamedAudioTranscoder , OpalPluginVideoTranscoder , OpalTranscoder , OpalVideoTranscoder
- UpdateOptions() : OpalPluginTranscoder
- UpdateParameters() : SIPMessageHandler , SIPRegisterHandler , SIPSubscribeHandler
- UpdateRemoteAddresses() : SIPConnection
- UseGatekeeper() : H323EndPoint
- UseGkAndEpIdentifiers() : H235Authenticator
- UseMediaPassThrough() : OpalMixerNode
- UserInput() : OpalMediaType , OpalMixerNodeManager::UserInput
- UseSession() : H323Connection , OpalRTPConnection
- UsesRTP() : OpalIMMediaType , OpalLineInterfaceDevice , OpalMediaTypeDefinition