Main portion of the advantages of the Asterisk server appears from it being an open source downloadable product. Most of the users, especially business people, can find it difficult to understand the idea behind this principle, or free software, but a business models behind open source are different and specific, as in case with Asterisk server.
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.