Feb 24 2019

What is Push to Talk (PTT)? Definition from

#skype #push #to #talk Push to Talk (PTT) Push to talk (PTT), is a means of instantaneous communication commonly employed in wireless cellular phone services that uses a button to switch a device from voice transmission mode to voice reception mode. The operation of phones used in this way is similar to walkie talkie use. PTT switches a phone from full duplex mode, where both parties can hear each other simultaneously, to half duplex mode, where only one party can speak at one time. Multiple parties to the conversation may also be included. All major wireless carriers are rolling out …

Sep 30 2017

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# Google announced during its Spring event in São Paulo, Brazil that audio-only calls would be coming soon to Duo, its one-to-one video calling app for iOS and Android. Today, the company pushed a small update to Duo for iPhone that enables this feature (which first rolled out to users in Brazil) for everyone. Available free of charge on App Store, Google Duo version 9.1 brings out VoIP audio calling along with unspecified bug fixes and product improvements. At an event in São Paulo, Brazil today, Google announced that its one-on-one video calling app, Duo, will be soon gaining audio-only …