Installing Asterisk on Debian is not very hard at all. For those of you who are not sure what Asterisk is or are kind of fuzzy on the subject here is some information about Asterisk.
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Asterisk is by far the largest and most successful in the the software PBX game. Though many of you may have read articles about Asterisk, used Asterisk services or even ran your own PBX, there are just as many out there that dont realize that they can run a low cost PBX for themselves from home, at their business, or wherever they need.