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.
Spirited Broadband provides Business class services either by tradional circuitry or via IP. SBB specializes in trunking existing PBX`s and will be happy to serve your Business needs today.