TopSec Phone is a VoIP client for encrypted communication via TopSec Mobile.
TopSec Phone is a VoIP client for encrypted voice communications. For maximum security, voice recording, playback and encryption take place in a small wireless handset called “TopSec Mobile”.
The app offers easy-to-use features for creating and updating phone book entries, a favorite list and VoIP server registration, as well as Bluetooth pairing with TopSec Mobile