Push-to-talk over Cellular Market

Global Push-to-talk over Cellular Market: Overview The push-to-talk over cellular market promises to provide end-users with easy-to-use, reliable, and effective communication channels. Additionally, these channels can be really cost-effective for projects like off-shore oil-drilling wherein cellphone coverage is often adequate. Moreover, during emergencies public authorities like police departments are required to communicate using walkie-talkies, a […]