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
Asnatel Ltd, Registered company in UK. We deals in Wholesale VOIP Termination,Calling Card Solutions, Hosted Voip We have 4 core routes and full A2Z in very compitant rates.