versa. E.g. IM_IN2, UPDATE_BUDDY2, etc. TOC2 also limits the number of ScreenNames that can log in from a single IP address (10). See also Comparison of instant messaging protocols References External links Detailed Specification TOC1 Protocol specification TOC2 Protocol specification History of AIM, OSCAR and TOC Implementations TOC Py-TOC (python) Net::AIM (perl) PHPTocLib (php) Tik (Tcl/Tk) TNT (Emacs Lisp) TAC (Tcl, non-GUI) AOL Quick Buddy Applet (TIC) (Java Applet) naim (ncurses, non-GUI) miniaim (C++) SimpleAIM (Java) TOC2 Fluent.Toc (C#) Raven::Aim (perl) Plugin for Miranda Instant Messenger PHPTocLib (PHP) BlueTOC (PHP) TerraIM (C++) TNT (Emacs Lisp) Instant messaging protocols AOL