| 摘要 |
The invention provides a packet network with enhanced service filter criteria, including: a service filter criteria library, configured to store and generate a service filter criterion for a user; a service control point, configured to provide a service to the user; and a service trigger point, configured to obtain the service filter criterion from the service filter criteria library, and determine, according to the service filter criterion, whether a currently processed SIP communication needs to be triggered to the service control point or processed locally, wherein the service filter criterion includes at least one of the following: a message body other than an SIP message Session Description, a session state, a message event other than an SIP initial request message, time, user presence information, a user state, a service invocation message, related information for another criterion, a virtual application server address, filter criterion validity, processing of service invocation result, a service identification, and a ban criterion for service control point invocation. The invention further provides a service triggering method for implementing the service triggering in a packet network.
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