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Method and system for extending IP PBX services to cellular wireless communication devices

  • US 20060030357A1
  • Filed: 07/29/2004
  • Published: 02/09/2006
  • Est. Priority Date: 07/29/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving into a cellular radio access network (RAN) a call request seeking to set up a call for a cellular wireless communication device (WCD) that is operating in a wireless coverage area of the RAN;

    responsively (a) engaging in first call setup signaling between the cellular RAN and a media gateway system to set up a first leg of the call between the cellular RAN and the media gateway system, (b) identifying an IP PBX system that serves the cellular WCD, and (c) engaging in second call setup signaling between the media gateway system and the IP PBX system to set up a second leg of the call between the media gateway system and the IP PBX system; and

    setting up the call from the IP PBX system for the cellular WCD.

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