ZaKoTel GmbH Austria
- International VoIP Wholesale Provider
- Voip consulting
- Voip Termination ISP
- Call Routing VoIP Solutions
- Consultancy Services
- Cisco Systems
- Billing system of own development
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.
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