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.
At SIPRoutes.com we have pioneered a new way to source SIP Termination providers. By creating a marketplace with every major vendor available, our customers choose the vendors that meet their quality and pricing requirements.