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.
RocTel International was established in 2002, a wholly owned Irish company with the vision of becoming the best in class service provider to business customers in the Irish and UK marketplace.