A2Z Trading A.G. Switzerland
- International VoIP Wholesale Provider
- H.323 VoIP Gateway
- Clarent
- Custom Open Source Billing Solution
Analog Adapter – this is a device used for connecting one or several standard analogue telephones to digital telephone communication systems (for example, VoIP) or non-standard telephone systems.
AO SELF
Internet Solutions Alliance Inc., in Ontario, Canada, is an international communication provider over a foremost Voice over Internet Protocol (VoIP) technology. Using an existing high-speed Internet connection, ISAs technology enables anyone to make and r
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