See also GICQ at http://www.korsoft.com/gicq and KICQ at
http://www.cn.ua/~denis/kde/kicq.html for open-source implementations.
These packages may give you the info you need to do an implementation in
Squeak.

--
Ken Treis / Software Engineer
Fraven Skreiggs Software Collective
ktreis at keyww.com