Linux Ubuntu 10.4

Actully i am about to work on my university project that is on IVR (Intractive Voice Responce) VoIP!
I have to make “KISAN HELP LINE”.
That’s can be easily be done by asterisk server! as u know that it works only on Linux! and i have opted Ubuntu for this purpose!

One more thing, i am totally new to this technology!

Need help!

Now suggest me what to do???