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
Net2phone
Since its inception in 1996, Net2Phone has established itself as a world leader in delivering voice services over data networks. Recognized as a pioneer in bridging the Internet with the public switched telephone network, Net2Phone provides partners such
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