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.
VoipRent is a Brussels-based company providing rental solutions to VoIP Service Providers. It was founded in November 2002 as an evolution from Mobile Services, a company that was specialized in VoIP consulting.