If the Operation member is set to AUTHENTICATE_VERIFY_CREDENTIALS, this member is used to
inform the media engine that authorization is being granted to the incoming protocol request.
It should be set to a non zero value only if the VerifyChallengeResponse(UInt32, String, String) API procedure
returns the SipSuccess status.
Namespace:
LanScapeAssembly: LMEVoipManaged (in LMEVoipManaged.dll) Version: 6.0.5226.26700