IPCC & Asterisk

i want to use IPCC express + asterisk in the combination. Like i want to use IPCC at the front by using some CISCO HARDPHONES or softphones… IPCC would be at Linux… and Asterisk would also be at linux FC6.
is anybody here have done this, i just need to know benifits like what functionality of IPCC and what functionality of Asterisk should use…

i can use IPCC routing or IVR engine, and i can use conferencing and voicemails of asterisk etc…
Does any one have any suggestions ? Help would be greatly appreaciated