A2Z Trading A.G. Switzerland
- International VoIP Wholesale Provider
- H.323 VoIP Gateway
- Clarent
- Custom Open Source Billing Solution
The service allows the user defining the criteria, by which the signal of a certain incoming calls will sound different from the standard signal of the telephone call.
Inter Call.com
Inter Call is a leading provider of wholesale and retail telecommunications services, using our own network infrastructure to route calls worldwide. By introducing innovative products and services, creating global business alliances, improving on existin
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