AFROTOP Brazil
- Voip consulting
- Call Routing VoIP Solutions
- Cisco Systems
- Custom Open Source Billing Solution
An automatic switching onto the standby mode or alternative server in case there is an error in the active server, program, system components etc.
Don Telecom
The company you can trust
Cell : (+880 1713 942 304) or contact:-don.rayden@yahoo.com
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