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Methods, systems, and computer readable media for unifying fixed and mobile devices via third party call control

  • US 9,161,190 B2
  • Filed: 01/22/2013
  • Issued: 10/13/2015
  • Est. Priority Date: 11/19/2010
  • Status: Active Grant
First Claim
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1. A method performed by an application server (AS) that supports a third-party call control (3PCC) interface for unifying fixed and mobile devices via third party call control, the method comprising:

  • detecting a call from an originating endpoint, wherein the call is addressed to a unified subscriber identifier associated with a terminating subscriber, wherein the terminating subscriber is associated with two or more terminating endpoints;

    offering the call to each of the terminating endpoints by initiating signaling to each of the terminating endpoints using the 3PCC interface;

    detecting a first one of the terminating endpoints used to answer the call;

    redirecting the call to the first terminating endpoint used to answer the call;

    sending signaling messages to all remaining ones of the terminating endpoints other than the first terminating endpoint for instructing the remaining terminating endpoints to release resources associated with the call;

    receiving an indication that the terminating subscriber wishes to terminate the call at a second terminating endpoint that is different from the first terminating endpoint, wherein receiving the indication includes receiving a service code from the second terminating endpoint, the service code identifying a call grabber service as part of a setup message;

    initiating the call grabber service for invoking a call grabber session;

    correlating the call grabber session to the call;

    negotiating an end-to-end media path between the originating endpoint and the second terminating endpoint;

    connecting the call between the originating endpoint and the second terminating endpoint; and

    sending signaling messages to the first terminating endpoint for instructing the first terminating endpoint to release resources associated with the call.

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