Currently two of our customers ask if our voice(telephone) can transmit by microwave radio or not, the answer is YES.

Our PCM multiplexer is transmit telephone signal from the operator’s center office, max is 30 channels telephone, then our device convert the analog telephone signal to E1 signal, then the E1 transmit by microwave device, at the user end, our device convert E1 signal to 30 channels telephone signal, the FXS port connect to the telephone set. So it mean telephone (voice) transmit by microwave radio.

And microwave radio used a lot because of its good advantage. But be sure the E1 connector can be linked for PCM multiplexer and microwave radio device before choose the PCM multiplexer device. And our device has LED indicator which can see the status such as local power, remote power, E1 signal, E1 sync signal, the 1-30 channels telephone status and Telephone ringing，remote device connected or not. If need more detailed monitoring information, we can add SNMP management in the device, can monitor and set the remote status. So it has full alarm function, and also easy to operate.