System and method for switching ringing state session with customized alerting tone

  • US 8,412,283 B2
  • Filed: 07/21/2010
  • Issued: 04/02/2013
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A method for session handing over in alerting phase when having a customized alerting tone comprising:

  • a Service Centralization and Continuity Application Server (SCC AS) receiving a handover request sent from a Mobile Switching Centre (MSC);

    when the said SCC AS determining a session to be handed over is in alerting phase and concurrent negotiation for a normal media session and a customized alerting tone session exists, then said SCC AS setting up the correlation between the handover request, the customized alerting tone session, and the normal media negotiation session; and

    the said SCC AS assisting to complete a handover to the normal media negotiation session and a handover to the customized alerting tone session.

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