IVS with asterisk

Hi ,
We plan to make a Interactive Vocal server with * for our call center in our country. So Which digium card must I use. And between Asterisk and Asterisk at home what is requiered ?

Just give me a web site .
thank you

This all depends on exactly what you are trying to achieve. I recommend having a look through here first:

forums.digium.com/viewtopic.php?t=4208