### - f -

- FacilityIE : Q931
- FacilityMsg : Q931
- FacilityNotImplemented : IAX2IeCauseCode
- FacilityNotSubscribed : IAX2IeCauseCode
- FacilityRejected : IAX2IeCauseCode , Q931
- Failure : IAX2IeCauseCode
- Failure_AddressIncomplete : SIP_PDU
- Failure_Ambiguous : SIP_PDU
- Failure_BadEvent : SIP_PDU
- Failure_BadExtension : SIP_PDU
- Failure_BadGateway : SIP_PDU
- Failure_BadRequest : SIP_PDU
- Failure_BusyHere : SIP_PDU
- Failure_Conflict : SIP_PDU
- Failure_ExtensionRequired : SIP_PDU
- Failure_Forbidden : SIP_PDU
- Failure_Gone : SIP_PDU
- Failure_InternalServerError : SIP_PDU
- Failure_IntervalTooBrief : SIP_PDU
- Failure_LengthRequired : SIP_PDU
- Failure_LoopDetected : SIP_PDU
- Failure_MessageTooLarge : SIP_PDU
- Failure_MethodNotAllowed : SIP_PDU
- Failure_NotAcceptable : SIP_PDU
- Failure_NotAcceptableHere : SIP_PDU
- Failure_NotFound : SIP_PDU
- Failure_NotImplemented : SIP_PDU
- Failure_PaymentRequired : SIP_PDU
- Failure_ProxyAuthenticationRequired : SIP_PDU
- Failure_RequestEntityTooLarge : SIP_PDU
- Failure_RequestPending : SIP_PDU
- Failure_RequestTerminated : SIP_PDU
- Failure_RequestTimeout : SIP_PDU
- Failure_RequestURITooLong : SIP_PDU
- Failure_ServerTimeout : SIP_PDU
- Failure_ServiceUnavailable : SIP_PDU
- Failure_SIPVersionNotSupported : SIP_PDU
- Failure_TemporarilyUnavailable : SIP_PDU
- Failure_TooManyHops : SIP_PDU
- Failure_TransactionDoesNotExist : SIP_PDU
- Failure_UnAuthorised : SIP_PDU
- Failure_Undecipherable : SIP_PDU
- Failure_UnsupportedMediaType : SIP_PDU
- Failure_UnsupportedURIScheme : SIP_PDU
- FalklandIslands : OpalLineInterfaceDevice
- FastStartAcknowledged : H323Connection
- FastStartDisabled : H323Connection
- FastStartInitiate : H323Connection
- FastStartOptionDisable : OpalConnection
- FastStartOptionEnable : OpalConnection
- FastStartOptionMask : OpalConnection
- FastStartResponse : H323Connection
- FaxCompressionT4_1d : OpalMediaStatistics
- FaxCompressionT4_2d : OpalMediaStatistics
- FaxCompressionT6 : OpalMediaStatistics
- FaxCompressionUnknown : OpalMediaStatistics
- FaxErrorBase : OpalMediaStatistics
- FaxInProgress : OpalMediaStatistics
- FaxMessageWaiting : OpalManager
- FaxNotStarted : OpalMediaStatistics
- FaxSuccessful : OpalMediaStatistics
- FeatureBase : H460_Feature
- FeatureBaseAll : H460_Feature
- FeatureBaseRas : H460_Feature
- FeatureBaseSignal : H460_Feature
- FeatureDesired : H460_Feature
- FeatureNeeded : H460_Feature
- FeatureRas : H460_Feature
- FeatureSignal : H460_Feature
- FeatureSupported : H460_Feature
- Fiji : OpalLineInterfaceDevice
- Finland : OpalLineInterfaceDevice
- FirstEvent : SIPDialogNotification
- FirstState : SIPDialogNotification
- FixedSilenceDetection : OpalSilenceDetector
- Flash : OpalRFC2833Info
- flashhook : IAX2FullFrameSessionControl
- FocusIn : H281_Frame
- FocusOut : H281_Frame
- Forbidden : OpalPresenceInfo
- ForwardingPhase : OpalConnection
- France : OpalLineInterfaceDevice
- FrenchPolynesia : OpalLineInterfaceDevice
- FrenchSouthernAndAntarcticLands : OpalLineInterfaceDevice
- FromURI : SIPURL
- FS1016 : RTP_DataFrame
- FullTSAP : OpalTransportAddress