56kbps version for dial up modems	http://www.r2.co.nz/20040730/v2-56.asx
128kbps version for slow broadband	http://www.r2.co.nz/20040730/v2-128.asx
384kbps version for broadband	http://www.r2.co.nz/20040730/v2-384.asx