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System and Method for a SIP Server with Online Charging

  • US 20080147551A1
  • Filed: 12/13/2007
  • Published: 06/19/2008
  • Est. Priority Date: 12/13/2006
  • Status: Abandoned Application
First Claim
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1. A computer implemented method for providing online charging, said method comprising:

  • deploying a Java-based online charging application on a session initiation protocol (SIP) server, said SIP server including an engine tier that processes SIP communications and a state tier that maintains call state data associated with said SIP communications;

    receiving a service request from a SIP client to said SIP server;

    generating a credit authorization request by said offline charging application upon receipt of said service request from the SIP client;

    maintaining online charging session state data in the state tier on said SIP server;

    transmitting said credit authorization request to an online charging function (OCF) server by said offline charging application;

    receiving an authorization answer from said OCF server; and

    delivering, by said SIP server, a set of services to said SIP client upon receiving said authorization answer.

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