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.
Voiz Tel telecom in partnership with Voz Telecom, has provided a committed platform to the telecommunications industry within South Africa and internationally. This group consists of highly experienced engineers, that allows for more focus and less error