OneSim VoIP is a mobile application, which uses the combination of OneSimCard service and a Wi-Fi internet connection to make and receive calls at discounted rates.

Currently, OneSim VoIP is available only for phones which use Android OS 2.0 and higher or Apple iOS 4.3 or higher (iPhone, iPad, iPod Touch).

To make a call using OneSim VoIP, you'll need:

• OneSimCard SIM installed in your phone (Android phones only; Apple devices do not require a OneSimCard SIM to be installed)
• OneSim VoIP application installed on your phone (Free app)
• OneSim VoIP-enabled Personal Extra Number (PEN) active on your OneSimCard account

For complete instructions on how to use OneSim VoIP refer to the Help section in your web account.

Learn more about OneSim VoIP here.