Publicado no e em "Negócios, Negócios", idioma — English. 6 páginas.
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Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode.
Company (Verizon, AT&T, Sprint Corporation, Ericsson, Kodiak, Kodiak, C Spire, Azetti, HipVoice, Cybertel Bridge etc.):
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