- Install the application
- Enter your phone number
- Enter an activation code
- Authorize your number by entering the activation code
That’s it! Only these four steps and you are ready to make your first call to international landline or mobile number. Not sure about how much will a call cost you? OHHO is here to help! Type in the number you would like to call or select it from your phonebook and OHHO will show you the charge per minute. We assure you that there are no hidden charges. Keep in mind that talking to other OHHO users is free of charge.