OpusTel!

OpusTelOpusTel is the mobile phone App for iPhone, iPod and iPad, permitting one to use a real Swiss international telephone number, e.g. 0041 41 520 60 00. It allows one to make and to receive secure VoIP calls from any iOS device using 4G/3G/UMTS or Wi-Fi Internet connectivity. Automatic language selection (15 languages like EN, DE, FR, IT )