One Calling Card - phone card

OneCallingCard is the next generation phone card: use your WiFi or 3G/4G data plan to make phone calls with your Android device.

One Calling Card works anywhere as long as you have a wireless Internet connection.

Your contacts don't need to use the app, they can call you from any phone

With One Calling card, all you need is your device's Internet connection.

Once installed, you can start making calls directly from your contact list.

To save your precious airtime minutes, calls are routed over a WiFi or 3G/4G network.

You can even remove your SIM card and still use the service.

Our job is to provide you a honest, easy to use and affordable calling card.

We work around the clock to partner with providers world wide and to find you the cheapest rates in the world.

No need to buy one calling card per destination anymore.

If you find a cheaper rate anywhere, contact us and we will find a better provider to give you a better deal!

One Calling card is a prepaid mobile wireless telephone service. There is no plan, no contract.

World wide cheapest rates, compare and save.

Many Talkatone, Vonage, Millitalk, Nimbuzz, Fring, Viber and Skype users are now using us to make VoIP calls.

Skype Out charges you for connection fees, we don't.

No hidden fees:

- no activation fee

- no connection fee

- no maintenance fee

- no access numbers, no PIN

- no carrier minutes, call on WiFi or 3G

- no roaming fee

- calls rounded to one minute (not to 3 minutes like other carriers)

- credits never expire

Use your Wifi or data plan connection to make cheap VoIP calls with your android phone or Tablet.

One Calling Card is based on CSipSimple and is licensed under GNU GPL v3. More information in the App.

One Calling Card - long distance international VoIP phone card