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Interworking of multimedia and telephony equipment

  • US 20040120498A1
  • Filed: 12/20/2002
  • Published: 06/24/2004
  • Est. Priority Date: 12/20/2002
  • Status: Active Grant
First Claim
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1. A method comprising:

  • a) receiving from a telephony switch first information indicative of an initiation of a voice call from a first telephony device having a first directory number to a second telephony device having a second directory number;

    b) determining to route the voice call via a public switched telephone network or via a packet switched network based on the second directory number; and

    c) sending to the telephony switch second information instructing the telephony switch to either route the voice call via the public switched telephone network or via the packet switched network.

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