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Integrating telephone lines with packet connections

  • US 9,042,371 B1
  • Filed: 04/10/2003
  • Issued: 05/26/2015
  • Est. Priority Date: 04/10/2003
  • Status: Expired due to Fees
First Claim
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1. A method for routing calls to a terminal adapter supporting a plurality of telephony terminals via a telephony line or through a packet network, the method comprising:

  • receiving, at a telephony switch, an incoming call intended for one of the telephony terminals;

    establishing, via the telephony switch, the incoming call with the terminal adapter via the telephony line when a first condition is present;

    establishing, via the telephony switch, the incoming call intended for one of the telephony terminals through the packet network when a second condition is present, wherein the terminal adapter will establish a connection with one of the telephony terminals to complete the incoming call;

    providing instructions to the telephony switch to route the incoming call based on the first and second conditions, the instructions provided via a service node associated with the telephony switch and a gateway, which couples the telephony switch to the packet network; and

    providing instructions to the gateway to assist in establishing incoming calls through the packet network when the second condition exists, the instructions provided via a service node.

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