$tu instead of $ru

[webstean]

Thanks for this Nick but:-

if(is_method("INVITE") && ($rU == "000" or $tU == "112" or $tU == "116"))

is a simple typo or something more indepth, ie shouldn't it be:-

if(is_method("INVITE") && ($tU == "000" or $tU == "112" or $tU == "116"))