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    • 6. 发明授权
    • System and method for managing call continuity in IMS network environment
    • 在IMS网络环境中管理呼叫连续性的系统和方法
    • US08542678B2
    • 2013-09-24
    • US12830650
    • 2010-07-06
    • Adrian Buckley
    • Adrian Buckley
    • H04L12/66
    • H04L65/1083H04L65/1016H04M7/123H04M7/1235H04W8/26H04W36/0022H04W80/10
    • In one embodiment, a scheme is disclosed for managing call continuity in a network environment including a circuit-switched (CS) network and an IP multimedia subsystem (IMS) network wherein unique identity (ID) information supplied by a user equipment (UE) device is utilized. A pool of dynamically allocable IP multimedia routing numbers (IMRNs) maintained at an IMS network node are used for associating an IMRN with call information received from the UE device, which can include at least one of a GRUU, Instance ID, and the called party number relating to a call. When the dynamically allocated IMRN is returned by the UE device, the network node utilizes the IMRN mapping to effectuate call continuity with respect to the called party.
    • 在一个实施例中,公开了一种用于管理包括电路交换(CS)网络和IP多媒体子系统(IMS)网络的网络环境中的呼叫连续性的方案,其中由用户设备(UE)设备提供的唯一标识(ID)信息 被利用。 维护在IMS网络节点处的动态可分配IP多媒体路由号码池(IMRN)的池被用于将IMRN与从UE设备接收的呼叫信息相关联,呼叫信息可以包括GRUU,Instance ID和被叫方 有关电话的号码。 当由UE设备返回动态分配的IMRN时,网络节点利用IMRN映射来实现对被叫方的呼叫连续性。