Help for building an IVR system

i m a newbie regarding asterisk. i want to build an ivr system using asterisk. can someone help me go abt it. i need to know what hardware and software must be installed in the server and all… its very urgent
thanks

Starts reading the first chapters of the book “Asterisk the future of telephony”, you can download it fron here: asteriskdocs.org/modules/tin … .php?id=11.

Regards.