About PTT (Push-To-Talk)
PTT (Push-To-Talk) is half-duplex so communication must be moved one way at any given moment as opposed to phone calls which are full-duplex and the two parties can hear one another. It is a 2-way communication service which works like a “walkie-talkie”.
A two-way communication service which works like a “walkie-talkie”.
PTT requires the individual speaking press and hold a specific button while talking and to release it when they are done as so the listener can reply by using the same method.