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
Ip-ology is a next-generation telecommunications company that specializes in providing VoIP-services to businesses. Ip-ology runs its own telecommunications network, using the latest technologies to provide businesses with voice- and data-services.