本文对CAMEL原理、CAMEL4中呼叫方处理CPH的分析、某软交换系统上如何实现CPH特性等三个方面进行了比较深入的研究。
The following three aspects are discussed: the principle of CAMEL and CAMEL4, the analysis of CPH characteristic and the implementation of CPH characteristic.
本文对CAMEL原理、CAMEL4中呼叫方处理CPH的分析、某软交换系统上如何实现CPH特性等三个方面进行了比较深入的研究。
The following three aspects are discussed: the principle of CAMEL and CAMEL4, the analysis of CPH characteristic and the implementation of CPH characteristic.
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