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Method and apparatus for SIP message prioritization

  • US 8,218,543 B2
  • Filed: 06/07/2010
  • Issued: 07/10/2012
  • Est. Priority Date: 04/27/2006
  • Status: Active Grant
First Claim
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1. A method for handling a Session Initiation Protocol (SIP) message at a first node, comprising:

  • determining a message priority level for the SIP message at the first node; and

    propagating the SIP message from the first node toward a second node in a manner for indicating the message priority level of the SIP message to the second node, wherein the message priority level of the SIP message is indicated to the second node based on a manner in which the SIP message is propagated from the first node toward the second node, wherein propagating the SIP message from the first node toward the second node in a manner for indicating the message priority level of the SIP message to the second node comprises;

    selecting one of a plurality of output networks available from the first node based on the message priority level; and

    propagating the SIP message from the first node using the selected output network.

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