Glensound GS-CUT101 Telephone Line CouplerThe GS CUT101 is a heavy duty analogue telephone line coupler. Simply connect a POTS line to the line connection, and the audio is output on a rear panel XLR. Front panel features a heavy duty on hook off hook switch, and an external handset can be connected for dialing. With a parallel handset connection, both sides of the phone call will be output. There is an audible ring when receiving an incoming call which can be turned off. An LED also