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
Global Technology & Communications Systems LTD. Nigeria
GXC CORP is USA based Information Technology Company established to deliver Wifi-Technology and Information Technology solutions packaged to meet the specific needs of emerging African Nations and their diverse markets.
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