Help for install asterisk

Hi everyone i am new for asterisk. now i am try to install asterisk in centos 4.5 version. i want to configure 10 users and predictive dialing. installed d asterisk followed by scratch installation file. i am using broadband 1 mbps line and xlite sip phone. this campaign use for UK calling. Please help me for configure meetme.conf and extensions.conf and any other necessary files to configure.

Read the book (www.voip-info.org)

Thank you …