A free app for Android, by Belledonne communications.
Do you want to be one call or message away from your friends, family, and significant other? Do you want to be able to send or receive video or audio calls anywhere? Don’t worry, Linphone has got you covered.
What sets this app apart from the rest out there is that it has encryption, so that you can stay worry-free. It also has files and picture-sharing features that will be very convenient for you.
All you need to have is an Internet connection or mobile data, then you’re good to enjoy everything Linphone has to offer wherever you may be.