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Not all versions of Asterisk are the same - in fact some are very different.

They range from the completely free, hard-core techie distributions with raw files, source code and all the options in the world - if you know how to install and configure them - all the way to carefully packaged versions that come packaged with Linux in a friendly, install-itself format.

VoIP News takes a look at the three most common flavors to see what you get and for what cost - both in terms of money and time.

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