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.
AVOXI is a cloud communications provider focused on meeting the international calling needs of call centers, hotels, tour operators, and global enterprises looking to project a local presence.