RTU client is a simple and convenient softphone from Satel Pro LLC, designed for making audio calls over IP channels using WebRTC. The RTU client works on Android-based mobile devices.

Call mobile and landline phones, as well as subscribers who have installed the RTU client. It doesn't matter where you are, on your home network or outside of it, all you need to make calls is Internet access via Wi-Fi or 3G.

The application also provides the function of synchronizing the address book with the RTU server.

RTU client is a demo version of a softphone. In order to start using the RTU client, you need to obtain a login and password from your telecom operator or telephone company. Requires RTU 2.3.0-11 and higher.