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Method, apparatus, and computer program product for reducing session related message size

  • US 8,606,861 B2
  • Filed: 04/27/2007
  • Issued: 12/10/2013
  • Est. Priority Date: 04/27/2007
  • Status: Expired due to Fees
First Claim
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1. A method comprising steps of:

  • generating a message in a protocol in which a message header includes a first field for data identifying a message sequence associated with the message and a second field for a tag associated with an identifier of a source or a recipient of the message;

    identifying data for the first field for the message and data for the second field for the message;

    determining a domain-wide unique identifier based at least in part on the data for the first field and the data for the second field; and

    when at least one of the first or second fields of the message header for the message is without data, including data in a third field of the message header comprising at least the domain-wide unique identifier, wherein;

    the message is a Session Initiation Protocol (SIP) message,the first field is a Call-ID field,the second field is a From Tag sub-field or a To Tag sub-field, andthe domain-wide unique identifier comprises a combination of data for the first and second fields and a domain-wide unique value.

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