Overview of plant broadcasting telephone
Analog plant broadcasting telephones are engineered to deliver reliable, high quality communications in extreme harsh environments. enclosing cold rolled steel housing and 16-bit zinc alloy keypad, offering increased resistance to vandanlism, resulting in high reliability of the product long MTBF.
Alarm lamp on the top will flashing also with very loud broadcasting when incoming calls, programmable auto dial and auto answer function, can prestore one group number, pick up the phone auto dial and direct connected, self stop if the other side hangs up.
VoIp GSM protocols can be customized.