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.
Gem Telecom offer a range of high quality telephone carrier and VoIP services to its customers around the world. We offer substantial savings on both UK national and international calls.