MasterVoice is a video meeting application designed for companies that enables smart working and collaboration between mobile and distributed users. It allows for instant video meetings and the ability to contact geographic phone numbers or internal numbers of a VoIP system.

The app's key features include high-definition video quality, meeting scheduling, display of a desktop shared by the PC of another user, visibility of other company users without having them in the smartphone's address book, video and audio mute/unmute, switching between front and back cameras, adaptive definition of available band, and the ability to connect with other users who have web clients for Mac, Windows, Linux or IP telephones.

It is important to note that MasterVoice server version 6 is required to use the app.

Overall, MasterVoice is an excellent choice for companies looking for a reliable and professional video meeting app.