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.
CoreTel promises to leverage its interconnection knowledge and expertise to provide a reliable wholesale VoIP network which will allow our customers to develop and manage a wider choice of dynamic phone services for the consumer.