Concerning practical implementation, the VoIP gateways have proven to be the best. Many companies are successfully using the IP telephony thanks to its two main characteristics
Decrease in international and long distance call cost expenditures
Stable communications between company’s offices throughout different cities and counties
AVAD Networks, Inc.
Welcome to AVAD Networks-African Voice And Data. AVAD is the premier carrier for retail and wholesale international long distance traffic in and out of Africa and the rest of the world. Unlike our competitors, AVAD partners with national carriers based in
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