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.
Orbtalk are a leading Voice over IP provider based in the UK. With a large customer portfolio based throughout the UK and worldwide, Orbtalk aim to provide the right telephony solution for your business.