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OPTIMIZED ROUTING OF MOBILE CALLS WITHIN A TELECOMOPTIMIZED ROUTING OF MOBILE TERMINATING CALLS WITHIN A TELECOMMUNICATIONS NETWORK MUNICATION S NETWORK
OPTIMIZED ROUTING OF MOBILE CALLS WITHIN A TELECOMOPTIMIZED ROUTING OF MOBILE TERMINATING CALLS WITHIN A TELECOMMUNICATIONS NETWORK MUNICATION S NETWORK
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机译：电信网络通信网络中移动终端呼叫的最优路由选择电信网络通信网络中移动终端呼叫的最优路由选择
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摘要
After an initial call connection (20) towards a called party mobile station (10), an originating exchange (70a) serving the calling party terminal receives an indication (115, 125) over the connected telecommunications network that the entered called party number is associated with a mobile station. Thereinafter, the serving originating exchange interrogates (150) the HLR (50) directly to determine the mobile switching center (MSC) (70b) currently serving the called party mobile station for subsequent outgoing call connection requests towards the called party terminal. After retrieving the roaming number representing the serving MSC for the called party mobile station, a direct call connection (190) is established between the originating exchange and the MSC currently serving the calling party mobile station without establishing a trunk call connection back to the home Public Land Mobile Network (PLMN) associated with the calling party mobile station.
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