-Retry your call

-Check with your service provider to make sure your account is able to make calls

-If dialing an international call, make sure you dialed 011 and the correct country code.

-You should also contact your service provider to make sure that you are allowed to make international long distance calls from your device.

-If the issue persists, please contact us at service@kphoneusa.com or give us a call at 1-855-589-5996.