A METHOD, A SYSTEM AND A DEVICE FOR DISTINGUISHING THE SESSION

摘要

A method, a system and a device for distinguishing the session, by which every session between the user agent network element and the user terminal can be distinguished under the condition that the user terminal has multi-sessions. The method includes the following steps: the second apparatus receives the service indication message transmitted by the first apparatus during the service indication interaction of the session (S1), the service indication message carries session control identifier related with the session; the second apparatus gets the session control identifier from the service indication message, and distinguishes the session according to the relationship (S2). The system includes: the first apparatus, which is used for transmitting a service indication message carrying session control identifier related with the session during the service indication interaction of the session; and the second apparatus, which is used for getting the session control identifier from the service indication message transmitted by the first apparatus, and distinguishing the session according to the relationship.