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
OVETEL is a next-generation telecommunication service provider specializing in international and domestic wholesale voice termination and voice origination services provider specialized in direct VoIP (SIP/H.323) routes to Africa, Middle East, Southern As