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Processing requests and generating responses in session initiation protocol (SIP)

  • US 8,503,429 B2
  • Filed: 03/15/2005
  • Issued: 08/06/2013
  • Est. Priority Date: 03/18/2004
  • Status: Active Grant
First Claim
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1. A SIP network element, for processing messages received from other SIP elements in a network of SIP elements,wherein the element is configured to receive an unparsed SIP request message associated with a predetermined type of SIP request message, the unparsed SIP request message comprising a plurality of headers and data associated with each of the headers and wherein no transaction context is maintained thereon,the element further comprising:

  • a message analyzer to perform a search on the unparsed SIP request message targeting only a selected subset of the headers to generate an extracted data set from the unparsed SIP request message;

    a processing logic component for processing the extracted data set to produce a response data set;

    a message creation component configured to create a response message of a predetermined type associated with the received request message, the response message comprising the response data set from the received request message; and

    a message sending component configured to send the response message to a destination identified in the response message.

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