BOT - The best free VoIP call app, encrypted and unblocked in all countries
Access your favorite features using the Xfinity Connect mobile app from Comcast.
Collaborate with video, voice, instant messaging and presence on Android device.
Grandstream Networks announces Wave, a free Video VoIP app for SIP-based calling
Free International Calling App - Call abroad over WiFi and 3G/4G at great rates
Free app to send bulk SMS to phone contacts with any sender name of your choice