ICQ, MSN, AOL, Yahoo, Jabber and GoogleTalk on IPhone
There was an application called Apollo IM. It worked, but didn't work good - it hanged, dropeed connections, exited for no reason. Later there was MobileChat, which version 2.23-2 was much better than Apollo. It did work. It leasе I used it with ICQ many times. However it didn't have history and there were some problems with offline cyrillic messages.
Now there is
The icon on the picture is left bottomicon (application name is AM).
Unfortunately, it is impossible to send offline messages and cyrillic offline messages sent to agile are shown in unreadable format. But I'm sure these bugs will be fixed soon.
Agile messanger is avaliable for install through Installer, section Network, currently version 1.0.18 is avaliable. Repository is ModMyiFone, which is from Community Sources. So make sure to install latest Community Sources (section Sources) or add http://modmyifone.com/installer.xml to the list of sources.