One Calling Card - phone card

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

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

- General bug fixes and performance enhancements
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Additional Information

Updated
March 11, 2016
Size
11M
Installs
10,000+
Current Version
3.16
Requires Android
2.0 and up
Content Rating
Everyone
Permissions
Offered By
Mobile Telecommunications
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