This is a way of communicating on the half-duplex communication line, includes receiving and transmitting devices (walkie-talkie) by the way of pressing the button for switching to the voice mode or transition to the listening mode. It works as a radio speaker; one can talk by pressing the button and can listen to a voice message by releasing the button.
Bara Phone Ltd. Is registered UK company in London, we are interconnected to tier one carriers using TDM and VOIP service to deliver high quietly service to its B2B and end user clients along with competitive international rates.