Refer a Friend
Otubio has a reward program for our customers. For every new customer you refer that signs up with at least $10, you will get a referral bonus. You can refer as many friends as you want and keep earning bonuses. In order to start referring friends, you have to be a registered customer with at least a minimum initial call credit of $5 on your account.
Vouchers, Coupons, and Discounts
Otubio has seasonal discounts, coupons, and vouchers available. During seasonal promotions, these discounts or vouchers can be used to get credit at discounted rates. Check this page and the main page often for announcements related to discounts.