Method and system for service processing, and SIP application server gateway module

摘要

Embodiments of the present invention disclose a method, system and SIP AS GW for service processing. The method includes: receiving, by Session Initiation Protocol application server gateway module, SIP AS GW, a service message from a sender; judging whether it needs to interact with a value-added services management platform, VASMP, and perform a service according to the type of the service message; if not , directly forwarding the service message to a recipient; if yes, interacting with the VASMP to perform the service; and further judging the service to be performed, requesting the VASMP to respond, and determining whether to forward the service message to the recipient according to the response from the VASMP. The technical scheme of the embodiment of the present invention enables authentication in IMS service processing, and ensures the credibility of charging during IMS service processing.