Comlins

Comlins PTT APP allows you to use your mobile phone as a commercial push-to-talk two way communication device. Comlins is a public network intercom system that integrates modern communication features such as global audio and video real-time calls, broadcasting, GPS position tracking, and SOS emergency alarms, so on.
Comlins PTT can be used for many other commercial uses.You can create the private groups (channels) for your company to use for different department, and only for users who have the correct login credentials that you set up from an administration page. Because each company has its own network, this eliminates the worries of non company individuals listening to your companies business communications.