RBT Service Center
The tariff for calling 1666 from postpaid lines and prepaid cards is SYP 30 for the entire call
Is either free or 10 SYP or 25 SYP, depending on the selected tone. Knowing that its valid for one month and to be renewed automatically on monthly basis
Prepaid subscribers should have 50 SYP minimum to download the RBT and the moment of renewal.