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METHOD AND SYSTEM FOR REGISTERING USER EQUIPMENT WITH COMMUNICATION NETWORK

  • US 20070298794A1
  • Filed: 06/21/2007
  • Published: 12/27/2007
  • Est. Priority Date: 06/23/2006
  • Status: Abandoned Application
First Claim
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1. A method of registering a user equipment (UE) with a communication network, the method comprising:

  • registering a UE with a communication network by transmitting a registration request message to the communication network and receiving a registration response message from the communication network, wherein the registration response message comprises information related to a registration validity period; and

    transmitting a session initiation protocol (SIP) message to the communication network, wherein the UE is re-registered with the communication network if the SIP message is received by the communication network before the expiration of the registration validity period.

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