Push to talk (PTT) is also known as the press to transmit method of talking or conversation actually on half duplex communication lines.

These communication lines of half duplex include the two ways radio using momentary button in order to switch from the particular mode of voice reception to the mode of transmit.Push to talk over cellular service:The ptt over cellular (PoC) is actually a service option available especially for the cellular phone network in order to enable the different kinds of the subscribers who are allowed to use their phones like the walkie-talkie.

This use of the phone as walkie-talkie can be done with the unlimited range.

The main benefit of this PTT method is the best ability for the single user to reach the constant and active talk group by just pressing a single button.

At the same time, the users don’t need to make the various phone calls to get the coordination with a group.In order to get the global coverage of the network, it is crucial to make use of the mobile and handheld network radios instead of using the licenses and repeaters because they are expensive.

There is no range restriction for establishing a connection and if you already have the cell phone coverage.