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SYSTEM AND METHOD FOR FLASH CALL SETUP IN AN INTERNET PROTOCOL BASED CELLULAR NETWORK
SYSTEM AND METHOD FOR FLASH CALL SETUP IN AN INTERNET PROTOCOL BASED CELLULAR NETWORK
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机译:基于Internet协议的蜂窝网络中Flash呼叫建立的系统和方法
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摘要
A telecommunications system and method is disclosed for decreasing the average call setup time in a cellular network by using an Internet Protocol based cellular network. Call information (such as routing information, channel types, etc.) for a particular call initiated by a calling Mobile Station (MS) can be stored in a call cache within a serving Mobile Switching Center (MSC) to immediately allow the same call to be re-established without tying-up circuits. A call cache identifier (CCI) is assigned to that call cache and passed to the calling MS. When the MSC receives a call from the calling MS, the MSC determines whether a CCI is included with the call. If not, call setup proceeds as normal, and the MSC creates a call cache for the call, assigns a CCI to the call cache and returns the CCI to the calling MS. If a CCI is received with the call, the MSC accesses the call cache associated with the received CCI, and uses the call setup information stored in the call cache to re-establish the call.
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