What is Push-to-Talk? The Institute of Electrical and Electronics Engineers (IEEE) defines PTT as a half-duplex communication system that can perform either one-to-one or one-to-many group calls. PTT allows group members to speak by pressing a button on the User Equipment (UE) and other members to listen; upon releasing the button, the call is disconnected. Read More Which countries are considered in the European region? The report includes an analysis of the UK, Germany in the European region. Read More
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