SipMessage Field Type Repeated Description message oneOf ⮑subscription Subscription ⮑configuration SipConfiguration ⮑dtmf SendDtmf ⮑dial SipDial ⮑hangup SipHangup ⮑answer SipAnswer ⮑reject SipReject Argument of Method Description CreateDuplexSip SipJitterBufferStatistics SipNegotiatedCodec