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    • 16. 发明申请
    • HANDOFF BETWEEN PACKET-SWITCHED NETWORK AND CIRCUIT-SWITCHED NETWORK
    • 分组交换网络与电路交换网络之间的切换
    • US20090252118A1
    • 2009-10-08
    • US12416196
    • 2009-04-01
    • John Wallace NasielskiMahesh A. MakhijaniArungundram C. MahendranHaipeng Jin
    • John Wallace NasielskiMahesh A. MakhijaniArungundram C. MahendranHaipeng Jin
    • H04W36/00H04L12/66
    • H04W36/0022H04L12/5692H04W80/10
    • Techniques for supporting handoff of terminals between a packet-switched network and a circuit-switched network are described. In an aspect, handoff between packet-switched and circuit-switched networks may be facilitated by a designated network entity in the packet-switched network. The designated network entity may interface with both the packet-switched network and the circuit-switched network, perform circuit-switched call origination, and perform handoff procedure. In one design, a first terminal may communicate with the packet-switched network for a packet-switched call with a second terminal. The first terminal may initiate handoff to the circuit-switched network via the designated network entity. The first terminal may perform handoff from the packet-switched network to the circuit-switched network based on an inter-MSC handoff procedure. The first terminal may then communicate with the circuit-switched network for the circuit-switched call with the second terminal after the handoff.
    • 描述了用于支持分组交换网络和电路交换网络之间的终端切换的技术。 在一方面,分组交换网络中的指定网络实体可以方便分组交换网络和电路交换网络之间的切换。 指定网络实体可以与分组交换网络和电路交换网络接口,执行电路交换呼叫发起,并执行切换过程。 在一种设计中,第一终端可以与分组交换网络进行通信,以便与第二终端进行分组交换呼叫。 第一终端可以通过指定的网络实体发起切换到电路交换网络。 第一终端可以基于MSC间切换过程执行从分组交换网络到电路交换网络的切换。 然后,第一终端可以在切换之后与第二终端与电路交换网络进行电路交换呼叫的通信。