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Scalable, reliable session initiation protocol (SIP) signaling routing node

  • US 20020184376A1
  • Filed: 05/30/2001
  • Published: 12/05/2002
  • Est. Priority Date: 05/30/2001
  • Status: Active Grant
First Claim
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1. A session initiation protocol (SIP) signaling router comprising:

  • (a) a plurality of cluster nodes for performing at least one session initiation protocol function, each cluster node storing a local database containing SIP location information; and

    (b) a location server coupled to the cluster nodes for maintaining a database of SIP location information and for automatically replicating the database of SIP location information to each of the cluster nodes in real time in response to receiving updates to the SIP location information.

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