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Controlling registration in a communication system

  • US 8,126,459 B2
  • Filed: 03/30/2004
  • Issued: 02/28/2012
  • Est. Priority Date: 12/05/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving at least one registration request to register a user requesting a service in a network entity in an internet protocol multimedia core network subsystem of a communication system;

    providing the network entity with control information indicating at least one limitation on a plurality of simultaneous registrations, said control information indicating a restriction on a number of different contact addresses that can be simultaneously registered using a single public user identity;

    controlling the registration based on the control information;

    checking whether at least one of said at least one limitation on simultaneous registrations would be infringed by allowing the registration; and

    denying the registration when the checking shows that an allowed number of simultaneous registrations is exceeded.

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