Gongyi Filter Industry Co., Ltd.

What is the full name of PAC?

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2017-12-07 13:36:16

PBX: Private Branch eXchangePBX Commonly known as: program-controlled switches, program-controlled user switches, telephone switches, PBX and so on. PBX is a commonly used telephone communication management tool in the modern office, enabling the telephone manager to manage outside calls and outgoing calls collectively.