PTT Over Cellular Walkie Talkie Radio for Professionals
An overview PTT stands for push to talk technology and “ PTT over cellular “ is abbreviated as (PoC). This idea of PoC was put forward by Nextel in 1987 as an alternative to walkie-talkie radio/Two-way radio. The feature of Push to Talk in walkie-talkie radio revolutionized business communication. Initially, Nextel offered these PoC walkie-talkie…