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.
Telecall guarantees all types of carrier customers expanded reach, capacity, and quality. Telecall is a reliable partner to Carriers that need to deliver competitively priced connectivity around the globe.