Invention Grant
US09173136B2 Methods, systems, and computer readable media for performing single radio voice call continuity (SRVCC) handovers 有权
用于执行单无线电语音呼叫连续性(SRVCC)切换的方法,系统和计算机可读介质

Methods, systems, and computer readable media for performing single radio voice call continuity (SRVCC) handovers
Abstract:
Methods, systems, and computer readable media for performing single radio voice call continuity (SRVCC) handover are disclosed. According to one method, the method occurs at a testing platform. The method includes receiving, via a communications channel for exchanging messages between a first session initiation protocol (SIP) peer and a second SIP peer, a first message for triggering a bearer deletion procedure associated with a call between the first SIP peer and the second SIP peer. The method also includes in response to receiving the first message or a related message, triggering the bearer deletion procedure prior to changing an access technology.
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