VoIP calls are much cheaper compared to traditional landlines since it uses the Internet to place your calls. The government that is why companies selling VoIP are able to offer great features at no extra charge does not regulate this Internet phone service.
Class 5 Softswitch | VoIP Switch | Softswitch Provider – Adore Infotech
http://adoreinfotech.com/softswitch.html
Visit Adore Infotech to Class 5 Softswitches that enables high quality VoIP Services over IP phones with integrated billing and reseller modules.