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
Assalam O Aliekum I have some routes for Mobile Voip. If someone wants to start business with me then feel free to contact with me.
Skype ID : aamirjatialy
Email ID : aamirjatialy@yahoo.com