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System and Method for Implementing a Session Initiation Protocol Feature

  • US 20110264814A1
  • Filed: 06/30/2011
  • Published: 10/27/2011
  • Est. Priority Date: 06/28/2006
  • Status: Active Grant
First Claim
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1. A method for implementing a Session Initiation Protocol feature, comprising:

  • establishing a communication session via a communications platform, the communication session being between a first endpoint and a second endpoint, the first endpoint one of a plurality of endpoints being served by a shared line, the second endpoint not one of the plurality of endpoints being served by the shared line;

    sending, via the communications platform, a remote state notification comprising call information notifying the plurality of endpoints of the communication session;

    receiving a request from a third endpoint to join the communication session between the first endpoint and the second endpoint, the third endpoint one of the plurality of endpoints being served by the shared line; and

    integrating communications of the third endpoint into the communication session between the first endpoint and the second endpoint.

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