CAS system make callculation of call cost based on called number, time, durration, trunk/operator used and other relevant data.

Each call made need to be processed in tarrif module to calculate cost.

CAS has powerfull tariff module which is easy to maintain. Each tariff grup can be graphicaly designed. Call cost is calculated according; used operat0r, called numbed destination, type of call, time of call, date of call, duration.

CAS have 5 tariff groups for each call and maximum 24 changes in day. Each tariff is presented by different color in tariff matrix.

Tariff can be prepared in advance and marked on which date will be valid.