专利名称：SYSTEM AND METHOD FOR MANAGING
MOBILE-TERMINATED (MT) CALLS IN IMSNETWORK ENVIRONMENT USINGALTERNATIVE SIGNALING
发明人：BUCKLEY, Adrian,BAKKER, Jan, John-Luc申请号：EP08756273.2申请日：20080526公开号：EP2153616B1公开日：20130703
摘要：In one embodiment, a scheme is disclosed for managing delivery of a Mobile-Terminated (MT) call via an IMS network, wherein the MT call is originated by a callingparty towards a User Equipment (UE) device that is CS-attached. An IMS-capable networknode is operable to associate the received call information with an IP Multimedia RoutingNumber (IMRN) and provide the call information and the IMRN via alternative signaling(e.g., USSD or SMS messaging) to the UE device. A Mobile-Originated (MO) call process isinitiated by the UE device using the received IMRN as the destination number, whichterminates at the network node. Upon verifying that the returned IMRN is valid, thenetwork node bridges the access and remote legs to establish the end-to-end path forthe MT call between the UE device and the calling party.
申请人：RESEARCH IN MOTION LTD
地址：CA
国籍：CA
代理机构：Roberts, Gwilym Vaughan
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