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.
DivTels main focus is on maintaining international quality standards while creating flexible and innovate IP telephony solutions which offer customers the finest voice quality, performance and customization capabilities.