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.
World Venture Group Telecom is a VoIP system integration leader in this environment. It deploys turn key projects for service providers as well as for multinational enterprises located in Latin America, USA and Europe.