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Interface between an SS7 gateway and an IP network

  • US 6,683,881 B1
  • Filed: 05/28/1999
  • Issued: 01/27/2004
  • Est. Priority Date: 05/28/1999
  • Status: Expired due to Term
First Claim
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1. A method for communicating a mobile application message over an IP network between a first node in an SS7 network that uses SCCP for message transport and a second node in an IP network that uses TCP/IP for message transport comprising:

  • (a) encapsulating said mobile application message in an IP message without intervening SS7 protocol layers; and

    (b) transmitting said IP protocol message containing said mobile application message from said first node to said second node via a gateway; and

    (c) periodically sending a link supervision message from said gateway to one of said first and second nodes to monitor the status of the communication link, said link supervision message comprising an Unacknowledged Periods information element.

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