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
NeuVoice is a service provided by NeuWorld Communications, inc. NeuWorld is headquartered in Tampa, FL, however NeuWorld maintains locations in Dallas, Cleveland (Akron) OH and Southern CA (Long Beach area).