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.
Coolwave Communications BV is a Netherlands-based telecom operator serving the rapidly growing market for voice,voice-mobile, VOIP, internet, data and fiber services.