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Auto-swap call box device and method for automatically swapping line connection
Auto-swap call box device and method for automatically swapping line connection
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机译:自动交换呼叫盒设备和自动交换线路连接的方法
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摘要
An auto-swap call box device for VoIP telephony and a method of automatically swapping line connection, in which the control module of the call box controls a subscriber line interface circuit module, a line interface module, and a switch module to sequentially detect the electrical signal of a first phone line socket and the electrical signal of a second phone line socket, so as to set a first sense logic value and a second sense logic value, based on which by the control module the line connections to the first and the second phone line socket are routed.
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