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Method and system for decoding tokenized Session Initiated Protocol packets

  • US 7,630,319 B1
  • Filed: 06/30/2004
  • Issued: 12/08/2009
  • Est. Priority Date: 06/30/2004
  • Status: Expired due to Fees
First Claim
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1. A method of decoding tokenized Session Initiated Protocol, the method comprising:

  • collecting, at a server, a plurality of tokenized Session Initiated Protocol packets from calls that are not successfully completed;

    receiving, at the server, a first tokenized Session Initiated Protocol packet from the plurality of tokenized Session Initiated Protocol packets;

    extracting, at the server, a string table from a user datagram payload in the first tokenized Session Initiated Protocol packet;

    decoding, at the server, the string table from the user datagram payload;

    creating, at the server, an index for the string table, wherein the index includes an IP address for a server that generated the first tokenized Session Initiated Protocol packet;

    storing, at the server, the index for the string table;

    accessing, at the server, a decoding table;

    determining, at the server, a corresponding entry in the decoding table for each token in the first tokenized Session Initiated Protocol packet;

    executing, at the server, the corresponding entry for the each token to decode the first tokenized Session Initiated Protocol packet; and

    displaying, through a user interface communicatively coupled to the server, the decoded first tokenized Session Initiated Protocol packet on a display device as a Session Initiated Protocol message, thereby allowing an evaluation of the Session Initiated Protocol message to determine what caused a call to not be successfully completed.

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