1. While recharging OpenCall powered by O2 service use rechargeable coupons of O2 operator. Coupons can be purchased in your nearest tobacco shop. Find the nearest one in the point of sales list.
  2. Dial the code in the form *102*(14 digit voucher code) # or recharge in Internet self-service.
  3. Credit will be added to your current balance on your OpenCall account in a moment.