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.
What we do best - World-Link provides local, national and international long-distance calling and also broadband access to its switches at vastly reduced rates, allowing our customers to realise huge savings when making calls.