Patent ID: 8249561
Filing Date: 2012-08-21
Classification: H04L

Abstract:
1. A method for providing service identification data in a IP (Internet Protocol) Multimedia Subsystem (IMS), comprising: receiving Session Initiation Protocol (SIP) data from a first user agent (UA); adding an identifier of an application server (AS) and a service identifier for at least one service supported by the AS to the SIP data; indicating by the service identifier whether the server is an originating or a terminating server; and transmitting the SIP data to a second UA, the at least one service invoked during communication between the UA and a second UA, wherein the second UA is not the AS; wherein the service identifier is associated with the at least one service by one of: an agreement between the UA and the AS; a hard coding of the association; and execution of an algorithm that performs the association.