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Network telephony interface systems between data network telephony and plain old telephone service including CTI enhancement in the data network

  • US 6,339,593 B1
  • Filed: 03/11/1998
  • Issued: 01/15/2002
  • Est. Priority Date: 02/17/1998
  • Status: Expired due to Term
First Claim
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1. A Computer-Telephony Integration (CTI) enhanced telephony system, comprising:

  • a Data Network Telephony (DNT) call center at a first location, the call center having multiple agent stations with DNT-capable telephone apparatus connected on a local area network (LAN) to a Call-Center Data Router in turn connected to a data network capable of carrying DNT calls;

    a CTI Server connected by a CTI link to the Call Center Data Router, the CTI server executing CTI applications;

    a Network Data Router in the data network for routing data packets, the Network data router connected to a network CTI Server performing CTI applications; and

    a computerized telephony bridge at a second location remote from the first location;

    the computerized bridge comprising;

    a trunk-line port and associated circuitry for receiving and placing Connection-Oriented/Switched Telephony (COST) telephone calls on a COST network;

    a data network port and associated circuitry for receiving and placing Data Network Telephony (DNT) calls on the data network;

    conversion circuitry for converting data dynamically between DNT and COST telephone calls; and

    control routines receiving a first call from one of the COST and DNT networks, to place a call associated with the received call on the network other than the network on which the call is received, and to dynamically convert data between the associated calls;

    wherein the Call Center CTI Server communicates over the data network with the Network CTI Server to provide CTI functions for calls routed at the Network Data Router.

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