Ucom Business service activates when the first call is performed. The service for the subscriber is active till the 20th day of the following month. In the active period the subscriber may receive and make calls to any direction, send and receive SMSes and MMSes, use GPRS and other services, as well as use the credit limit for the negative balance. In case no payment is made until the due date (the 20th day of each month), the passive (inactive) period of the service starts, which lasts till the end of the month, following the current month. In this period Ucom Business service subscriber may only receive calls, SMSes and MMSes and make calls only to free emergency numbers. In this period line users cannot benefit from outgoing services, even after recharging the individual sub-accounts. Positive balance of the individual sub-account is kept and can be used in case of re-activation of the services. In passive period the subscriber can, at any moment, reactivate all services, by simply paying his/her current debt in full (monthly fees and negative balance). In passive period monthly fee shall be charged. If before expiry of the passive period the subscriber does not pay for the accumulated debts, the service is suspended (deactivated) for one-month period. Due to suspension of the service the subscriber is not exonerated from the liability of paying monthly fees for previous months and other accumulated debts. Line users cannot use the services, even after recharging the individual sub-account. However, the positive balance of the individual sub-account is kept and can be used in case of service reactivation. In the suspension period the subscriber can still reactivate all services, by simply paying non-paid monthly fees, current negative balance, as well as late payment penalties. Suspension of Ucom Business services relates to all subscribed lines, regardless of the cost control type and activated corporate service package or the balance of individual sub-account. If before expiry of the suspension period the debt is not paid fully by the subscriber, the Subscription Agreement can be terminated unilaterally by Ucom, without additional notice thereon to the subscriber, and assign the line of the subscriber to other subscriber. In this case service reactivation is made on general basis, through signing a new Subscription Agreement.