Xtravoip.
Xtravoip is a mobile dialer or application which makes VoIP calls with minimum iOS version support of 7.0 on Apple iPhone, iPad, iPod and it uses the 3G/Edge/wifi Internet connectivity.
Xtravoip is a mobile dialer or application which makes VoIP calls with minimum iOS version support of 7.0 on Apple iPhone, iPad, iPod and it uses the 3G/Edge/wifi Internet connectivity.