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.
efoneX is a Next Generation Internet Telephony Provider, introducing to the Internet community worldwide innovative voice and advanced real time communication services over the public Internet.