Rebtel

Rebtel is an international calling service that was founded in Stockholm, Sweden in May 2006 with the purpose of —…

Nimbuzz is a VoIP and messaging service that operates cross-platform, currently available for PC, iPhone, Android, iPad, iPod Touch, Windows…

Fring is a voice over IP service that allows its users to make free mobile Group Video calls worldwide, in…

Skype is a proprietary Voice Over IP service and software application that was first released in 2003. The service allows…

OneSim VoIP is a Mobile app provided by OneSimCard and its parent company Belmont Telecom, Inc. OneSimCard is a pay-as-you…

Viber is a cross-platform instant messaging and VoIP application for smartphones developed by Viber Media, which was founded by American-Israeli…

A firm called CCMI recently published a report commissioned by Truphone that gave a brief overview of how modifying the…

According to a recent survey conducted by Informa Telcoms, the number of people connecting to Wi-Fi hotspots using smartphones has…