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
Infostructure - Small Business Phone Systems
InfoStructure – Business VOIP providers, small business phone system, virtual phone system, hosted PBX, VoIP & Internet, and other business telecommunication services.
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