A2Z Trading A.G. Switzerland
- International VoIP Wholesale Provider
- H.323 VoIP Gateway
- Clarent
- Custom Open Source Billing Solution
Siemens Enterprise OpenStage 40 SIP IP-phone is a great solution for people working in the permanent place. This model features a large display and easy setup of various protocols such as TDM, HFA and SIP.
Varsatel
Varsatel is a UK based Internet Service Provider. Established for over six years, Varsatel has been providing end-to-end solutions to service providers, Internet telephony service providers, calling card providers, clearing-houses, carriers, mobile carrie
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