Briefly:
Money type: SMS.
Balance refilling:  immediate.
Way of payment: sending SMS to short number from your mobile phone.

In detail:
You make payment by sending SMS from your mobile phone to the short number. The text of SMS should contain: first 3 symbols is a "textual code", then "gap", then "seven-place numerical code". The exact text of the SMS and the number to which you should send the SMS will be shown in a new window, after you choose this type of payment from Balance section.

Example: "dam 1234567" on number 4461.

After successful SMS sending you should press "Next" in the payment window. Your balance will be refilled immediately at the rate 80% from SMS cost. The SMS cost depend on the country of its sending.

Pay attention! The balance refilling will be made only in case of a correct request. Failing the right request, the money will be anyway written off from your account. The user is personally liable for the correctness of inserted data.