Method, system and apparatus for informing application server of user status

Abstract

The present invention discloses a method of notifying user status to an application server (AS), the method including: upon konwing that the service subscription information of a user changes, a service call session control function the user locating acquiring theself-preserved registration information of the user, and then transmitting the registration information of the user to the corresponding application server. The present invention also discloses a system of notifying user status to an application server, the system including: a user subscription server, a service call session control function, and application servers. The present invention also discloses the corresponding service call session control function. Application of the present invention will enable AS to timely inform the registration status of users in the network.

Description

technical field [0001] The invention relates to the technical field of communication. In particular, it relates to a method for notifying an application server of a user state, a system for notifying an application server of a user state, a service call session control function, and an application server. Background technique [0002] With the development of technology, multimedia communication is more and more widely used in mobile communication. Now multimedia communication is not only simple video and audio communication, but also includes instant messaging, co-site browsing, collaborative work, streaming media and other services. , especially the integration of new communication methods and traditional voice services is becoming more and more popular among users. [0003] Based on the current trend of integration of the Internet (Internet) and traditional telecommunication networks, in order to meet the needs of current terminal customers for newer and more diverse mult...

AI Technical Summary

Problems solved by technology

[0013]Because after the user has registered in the network, when the user newly signs or newly activates a new service, the AS of the user's newly signed or newly activated service usually does not report to the S - CSCF subscribes to the user's registration event notification. At this time, no entity will inform the AS of the user's registration information, and the AS cannot know the user's registration status in the network at the first time, which will affect the AS's new subscription service or newly activated service for the user. timely provision of

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