多服务网络交换结构 Multi-service Network Switching Architecture
专用综合服务网络交换 Private INtegrated services network eXchange
专用综合服务网络交换（PINX）是在BRI语音应用中使用QSIG信令的专用分组交换机或主系统。
Private INtegrated services network eXchange(PINX) is a PBX or key system which, in a BRI voice application, uses QSIG signaling.
当您增加了一个新地点，它就成为应用服务网络中的一部分，并且可以与其他地点以零代价交换消息。
When you add a new region, it becomes part of the application server network and can exchange information with other regions with zero effort.
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