How to use iTalkBB App?
  The iTalkBB App can replace the international calling feature provided by your mobile carrier.
iTalkBB suggests that you call your mobile carrier to block the international calling feature and use iTalkBB App to making international calls.
  *iTalkBB App uses a small amount of data to confirm your account, please make sure your have 3G/4G/Wi-Fi access before you make calls.
  If you have any suggestions or questions about this App, please contact us at 1-703-596-8998/ 1-877-482-5503,
or e-mail to us