If you are a Ucom Postpay service subscriber with a positive balance (monthly fee or a possibility to go minus) you can make uninterrupted session(s) (call, SMS, GPRS). For your convenience, even when your credit limit is reached, Ucom does not interrupt the service provided to you, and any credit limit excess will be charged from your account later on. Please, note that full responsibility for the payment of the debts shall be taken care of by you.