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Method for encapsulating a signaling system seven (SS7) user part message in an internet protocol (IP) packet for transmission over an IP network

  • US 7,190,702 B2
  • Filed: 03/31/2003
  • Issued: 03/13/2007
  • Est. Priority Date: 12/04/1998
  • Status: Expired due to Term
First Claim
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1. A method for encapsulating a signaling system seven (SS7) user part message in an Internet protocol (IP) packet for transmission over an IP network, the method comprising:

  • (a) extracting at least a portion of SS7 layer 3 and layer 4 information from an SS7 message signaling unit (MSU), the extracted portion including SS7 routing information and user part information;

    (b) encapsulating the extracted portion in a transport adapter layer interface packet including an application-level sequence number and excluding at least SS7 layer 2 information in the SS7 MSU from the transport adapter layer interface packet; and

    (c) adding an IP header including an IP address to the transport adapter layer interface packet to produce an IP packet.

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