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.
VaxStream Corporation is a Facility-based IP Carrier. This means that we are the service provider and there are no middlemen, so you save "BIG" and get the best in quality.