How to avoid costly roaming charges?

Would you like to save on roaming charges while traveling? It’s easy with CallsApp Roaming Free option. To do that just ask us for your local DISA number. For example for Canada it is 6476898888. You’ll need to enter a command on your cell phone *21*6476898888# and tap the call button. All calls on your cell phone will be redirected on CallsApp. Thus you are good to make and answer your calls with the CallsApp wherever you are within any internet network without roaming charges. To deactivate this option just enter #21# and push the call button on your cell phone. Please make sure that your cell plan has free minutes for local call forwarding.