asterisk users - Feb 2005 - Question about VoIP Solution

Hello
I'm in Egypt and i would like to provide VoIP Service. what i (as hardware
and software )need to provide this service?
only Digium telephony card and  Asterisk (Configuration Package)? am i need
to any other getway , hardware or software?
if any 1 have complete solution, please provide me it.
 
thanks in advance
Regards

Eng. Yousri Farouk
Linux System administrator
www.egypt.com