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SS7 MAP/Lg+ to SIP based call signaling conversion gateway for wireless VoIP E911

  • US 20070263610A1
  • Filed: 05/04/2006
  • Published: 11/15/2007
  • Est. Priority Date: 04/04/2006
  • Status: Active Grant
First Claim
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1. A call protocol conversion gateway, comprising:

  • a module adapted to receive signaling system number 7 (SS7)-based call signaling;

    a module adapted to convert said SS7 MAP/Lg+ based call signaling into session initiation protocol (SIP)-based call signaling; and

    a module adapted to pass said SIP call signaling to a voice over Internet (VoIP) positioning center.

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