H.323 Softswitch
It is the main device that captures and controls all the signals created by the entire system. It also supports multimedia: real-time audio, video and data information.
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.
Callcentric
Callcentric is a service that lets you make free phone calls to other Callcentric members and to traditional phones world wide at great rates. Callcentric uses your internet connection and software on your computer or a telephone adapter to place calls us
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