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.
CoreTel promises to leverage its interconnection knowledge and expertise to provide a reliable wholesale VoIP network which will allow our customers to develop and manage a wider choice of dynamic phone services for the consumer.