Group call switch in trunking system needs a high tandem capacity, so several methods of group call switching will be analyzed and compared.
集群系统组呼要求交换机具备大的汇接交换容量，因此提出了组呼汇接交换的几种方案并进行了分析比较。
Group call switch in trunking system needs a high tandem capacity, so several methods of group call switching will be analyzed and compared.
集群系统组呼要求交换机具备大的汇接交换容量，因此提出了组呼汇接交换的几种方案并进行了分析比较。
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