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USER EQUIPMENT, CALL CONTINUITY APPLICATION SERVER, AND NETWORK HANDOVER METHOD

  • US 20090147754A1
  • Filed: 02/10/2009
  • Published: 06/11/2009
  • Est. Priority Date: 09/08/2006
  • Status: Active Grant
First Claim
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1. A method for a user equipment (UE) to perform network handover, comprising:

  • performing, by the UE that initiates a handover, a session negotiation on call continuity handover in a call-hold state with an Other End Point (OEP) via a target network; and

    handing over a call to the target network after the session negotiation succeeds.

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