Method and Apparatus for Interfacing a Public Switched Telephone Network and an Internet Protocol Network for Multi-Media Communication

  • US 20030095539A1
  • Filed: 01/07/2000
  • Published: 05/22/2003
  • Est. Priority Date: 01/07/2000
  • Status: Active Grant
First Claim
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1. A system for providing real-time voice communication between devices connected to an Internet Protocol (IP) network and devices connected to a public switched telephone network (PSTN), comprising:

  • a computer controlled switch adapted for connection to a local public switched telephone network; and

    gate interface circuitry connected to the computer controlled switch and adapted for connection to the IP network.

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