TRSMiCloud offers audio/video calls and instant messaging. You can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection.
TRSMiCloud key features:
* high definition audio and video calls
* audio conference calls with various participants
* pictures and file sharing
* TRSMiCloud accounts reachable at any time, even if the app is closed
* secure communication (encryption options)