IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- 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.
First Telecom Ltd
At First Telecom we fully understand convergence across telecoms, IT services and software. We invest heavily in researching what is happening in the global market, which is dynamic and full of risk and reward. We track changes and identify threats and op
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