QR-PTT Push To Talk is an easy to use ptt over IP client for lone workers communication. It can be used by companies that need to be in constant communication with their employees (Lone Workers), to give instructions, make comments, report incidents in real time by voice communication or by sending a text message within the app. To try it for free enter "demo" as User ID and leave User PIN field empty.* Its main features are: - Easy to use - Fast and low latency real time voice communicatio