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.
History of NGTEC Corporation goes back to 1993 and closely connected with foundation of the Newcom Group (www.newcom.mn), a first company to provide telecom solutions and system integrations which then has grown into today