| 摘要 |
<p>Embodiments of the present invention provide a system and method for identification of a UE for session transfer requests initiated by an MSC Server using a GRUU. The UE provides the GRUU to an MME upon IMS Registration, and the MME provides the GRUU to the MSC Server as pa rt of a handover request. The MSC Server may use an Mg or Mw SIP interface, or an IS UP interface to initiate a session transfer. If the MSC Server has an Mg or Mw SIP interf ace, the GRUU is asserted in a SIP message, e.g., an INVITE message, sent to initiate sessi on transfer. If the MSC Server does not have the SIP interface, i.e., uses ISUP to initiate session transfer, then the GRUU is passed via a gsmSCF into an SCC AS. The SCC AS uses the GRUU to identify the UE for which the session transfer request is being initiated.</p> |
