Enumerates the possible reasons for signaling state transitions. Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in microsoft.rtc.collaboration.dll)



Member name Description
Busy The called party is not willing or able to take additional sessions.
Canceled The operation is canceled (that is, for an Invite).
Declined The session or participant declined.
None No reason or unknown reason.
NotAcceptable The called party can only generate responses with content characteristics that are not acceptable to the Accept header field sent in the request.
NotAcceptableMedia There is a problem or the media portion of the session description is incompatible.
ProvisionResponseReceived The session received a provisional response in the range 101-199.
SessionDoesNotExist The remote does not have the session and sent a 481 Bad Call Leg response.
SessionTimerExpired The session timer expired. The remote seems to be unreachable.
TemporarilyUnavailable The called party is not available for communication or does not want to be disturbed.
TerminatedLocally The local application requested the termination.
TerminatedRemotely The (last) remote user requested the termination.
Timeout An operation timed out.
Unreachable The called party is not reachable.


Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

See Also