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.
IPVFone is a new type of phone service which gives you a choice of a "Monthly Plan" or "Pay as you go" phone service. Make unlimited calls to the US and Canada or other countries using one of our incredible unlimited plans.