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Method and network entity for selecting for a subscriber a call session establishing server to be registered within a voice over internet protocol network

  • US 10,298,625 B2
  • Filed: 05/19/2011
  • Issued: 05/21/2019
  • Est. Priority Date: 05/19/2011
  • Status: Active Grant
First Claim
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1. A network node in a Voice over Internet Protocol (VoIP) network, wherein:

  • the network node is arranged to access a memory that includesa subscriber list, being part of a multitude of subscriber lists, corresponding to a subscriber, the subscriber list including information representative of further subscribers with which said subscriber has been engaged in a session via the VoIP network, the subscriber list including for each of the listed further subscribers a ranking representative of the relative frequency said subscriber has been engaged with that further subscriber in a session via the VoIP network, anda server list corresponding to said subscriber for including identifiers of call session establishing servers, and for including for each of the listed call session establishing servers a ranking;

    the network node is arranged to check, for each of the listed further subscribers, whether that further subscriber is registered in a call session establishing server, and, if so;

    when the call session establishing server is not yet included in the server list, to add an identifier of said call session establishing server to the server list and to associate the ranking of said further subscriber to said call session establishing server, andwhen the call session establishing server is already included in the server list, to add the ranking of said further subscriber to the ranking associated with said call session establishing server, andthe network node is arranged to select from the server list the call session establishing server with the highest ranking.

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