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DFM Iran

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General office

DFM
shahrakeh jandarmery, etaaty Aev,
Tehran
Tehran ,13145
Iran

Phone: +98 21 8825 180
Phone: +98 935 541 1437
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Parsvoip
Persia Telecom
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Push to Talk (PTT)

Push to Talk (PTT)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.

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United Kingdom Orbtalk Ltd

With many years of experience in the Telecommunications industry, Orbtalk provides business phone systems to customers both in the UK and worldwide. Their main focuses are Hosted PBX services, SIP trunks, Call Centre Solutions and Call Termination. Orbtal

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