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IP ADDRESS VERSION INTERWORKING IN COMMUNICATION NETWORKS

  • US 20120082158A1
  • Filed: 10/04/2010
  • Published: 04/05/2012
  • Est. Priority Date: 10/04/2010
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a processor;

    a memory coupled to the processor configured for storing state information relating to a session between a mobile node and a remote endpoint on an IP Multimedia Subsystem (IMS) network;

    a first network interface for communicating with the mobile node via a radio access network;

    a second network interface for communicating with the IMS network;

    a session module configured to receive packet data units (PDUs) from the first network interface and the second network interface and operable to use an inbound identifier and an outbound identifier with the session; and

    an interworking module coupled to the first network interface and the second network interface that is operable to interwork between session initiation protocol (SIP) messages that use an IPv4 protocol and SIP messages that use an IPv6 protocol, and is operable to use one of the inbound identifier and the outbound identifier to match an incoming SIP message to the session.

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