Session initiation protocol (SIP) message incorporating a number of predetermined address headers having predetermined address information

摘要

A Session Initiation Protocol (SIP) message adapted for communication between a plurality of network elements located on a multi-media services provider system to form a multi-media communication path between at least a first communication device and at least a second communication device of a plurality of communication devices. The SIP message includes a header region and a plurality of header fields located on the header region. The plurality of header fields include predetermined address information associated with at least one network element of the plurality of network elements located on the multi-media services provider system.