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.
Umniah Mobile Company
As the most successful telecom operator to enter the Jordanian telecommunications market, Umniah stands for innovation and dynamism founded on the highest possible level of customer and market focus. Umniah was granted the third GSM license in August 2004
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