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
Phonekall is a leading telecom service provider that deals with the VoIP services. It offers the clients with advanced technology solutions for making calls globally with enhanced functionality and support.