AFROTOP Brazil
- Voip consulting
- Call Routing VoIP Solutions
- Cisco Systems
- Custom Open Source Billing Solution
“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
Alvee Telecom
Alvee Telecom is a leading provider of Internet telephony solutions to consumers, resellers and service providers worldwide. Alvee Telecom offers a wide range of Voice over IP (VoIP) services including Broadband Phone, PC Phone, Virtual Calling Cards and
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