Collectively, the pricing and dial code information applied to calls form what is knows as a Tariff table. Each network carrier has its own rates and in some cases, a single network carrier may have more than one tariff table to cater for its wide-ranging pricing structures.
In TIM Professional, each tariff table can be edited separately, allowing complete flexibility in how the system costs your calls. To access a tariff table, click on the button from the main function bar. The main Tariffs screen can be seen below: