ITSEGroup Iran
- Voip Termination ISP
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- Billing system of own development
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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.
Castling VoIP
We are a VoIP wholesale and retail provider and we have been in the business for 4 years. And we are interconnected with more than 300+ Carriers including Tier 1 Company’s.
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