The service for determining from which number a client has called. This helps to decide how to answer on the incoming call. A telephone company sends DNIS number to the telephone client’s system during establishing connection. As a rule, DNIS number consists from 4 to 10 digits.
Shetab phone-to-phone service has been stabilished in 1380 (2001), presenting a pleasant quality in international calls, using VoIP technology via E1 digital lines.Shetab provides various facilities for customers comfort and hospitality, w