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System and method for establishing a call being received by a trunk on a packet network

  • US 20080049927A1
  • Filed: 05/31/2007
  • Published: 02/28/2008
  • Est. Priority Date: 08/22/2006
  • Status: Active Grant
First Claim
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1. A method for establishing a call over a packet network said method comprising:

  • receiving a call request via an originating trunk on a packet network from an originating call device;

    determining a transmission path from the originating trunk to a terminating segment of a terminating call device;

    determining status of the originating trunk;

    determining status of the terminating segment; and

    if the status of the originating trunk and terminating segment are within a first range, establishing the call between the originating and terminating call device over the determined transmission path at a first data rate;

    otherwise, if the status of the originating trunk or terminating segment is within a second range, determining whether the originating trunk and terminating segment can operate at a second, lower data rate, and, if so, establishing the call over the transmission path between the originating call device and terminating call device at the second, lower data rate.

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