Method and apparatus for allocating a server in an IMS network

Method and apparatus for allocating a server in an IMS network

  • CN 101,223,755 B
  • Filed: 08/15/2005
  • Issued: 11/05/2014
  • Est. Priority Date: 07/19/2005
  • Status: Active Grant
First Claim
Patent Images

1. In IP Multimedia System by session initiation protocol application server-assignment the method to user, described method comprises:

  • Be designated at home subscriber server the initial filter standard or norm set that described user provides, at least one common session of described initial filter standard or norm set-inclusion starts protocol application server identity;

    Described initial filter standard or norm set is sent to service call/conversation control function of distributing to described user from described home subscriber server;

    Receive described initial filter standard or norm set at described service call/conversation control function, and described common session startup protocol application server identity is resolved to multiple application server address;

    Described user is distributed to in one of described address, for providing service to described user;

    Described service call/conversation control function described user carries out high-speed cache to distributed address, for later;

    AndSip message is sent to the described application server of described distributed address from described service call/conversation control function,It is characterized in thatIn the time that described application server receives described sip message, the address of described application server is stored as opaque data in described home subscriber server by Sh interface.

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