Our company is a voip wholesale carrier,which is based in hongkong having many years experiments in the voip wholesale marketing ,providing best routes with competitive rate and professional technology team.
Plenty of business companies use free Asterisk software and place it on their server, thus creating a cut-rate IP-PBX. They use manuals provided on setting up the extensions, and occasionally there are lots of discrepancies. Finding out how to install a dial plan or call flow, the set of regulations detailing how the switch deals with inbound and outbound calls is very difficult.