I can’t contact someone using Viber on my phone, even though he is using Viber. How do I add him to my Viber contact list?
Skype is more than a decade old now and still going strong and much liked by VoIP users. Microsoft is still grooming the app and service to remain the most popular tool for online communication.
Skype has been using P2P to channel text, voice and video over the Internet since it was created. Now it is ditching P2P for a more conventional client-server cloud-based model. In this article, we see what P2P is, why it was used, and why it is being replaced, with some interrogations on security.
Apps for Windows Phone that allow you to make video calls on your mobile device.
Rebtel Review - Cheap international calls using the local cellular network on your mobile phone
A list of the top VoIP apps for making cheap and free voice and video calls on Windows Phone smartphones
Kik Messenger Review
Ringo is a phone service that offers cheap international calls without requiring you to have an Internet connection, and ensuring quality.
Kik's user base has already reached 120 million and it is still increasing. it is becoming popular because it is easy to use, simple, free and personal. It is
Ringo uses your mobile phone number to channel its calls, but it does not work the same way as Viber. In fact, it does not even use the Internet at all to