linux - Advice on buidling an Interactive Voice Response (IVR) system using Asterisk -

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what resources can start with? don't have hardware yet, advice can give me if want start development/testing without hardware?

get free ebook o'reilly: asterisk: future of telephony.
lots of info at: http://www.voip-info.org download "asterisk appliance" distribution asterisknow. comes os, dependencies , asterisk setup, can focus on dial plan , onwards


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