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.
RocTel International was established in 2002, a wholly owned Irish company with the vision of becoming the best in class service provider to business customers in the Irish and UK marketplace.