+375-803-(0000000...9999999): Interactive polling service (free) Подробнее о +375-803-(0000000...9999999)
+375-805-(0000000...9999999): Intelligent network telephone service Подробнее о +375-805-(0000000...9999999)
+375-810-(0000000...9999999): Interactive polling service (paid) Подробнее о +375-810-(0000000...9999999)