This string contains the SIP URL of the person calling us. Please refer to the installed SIP
RFCs for a description of the format of SIP URLs (RFC 3261). The information contained in
this URL is equivalent to the information that is present in the received INVITE message "From:" header.
Namespace:
LanScapeAssembly: LMEVoipManaged (in LMEVoipManaged.dll) Version: 6.0.5226.26700