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.
Crexpedio.com provides responsible technical assistance and service on enterprise level systems in Costa Rica.
We currently do ITFS in S America,N America Mexico, US and Canada alongside our strategic partners for Europe and Asia.