S60 devices have a built in IM-Client
jamespowell1989 from Talk About Nseries has brought us news that S60 devices such as the N82, N95 etc. have a built in IM client which works pretty good. Using the Mobjab application and the IM application you can use MSN, ICQ, AOL IM, Yahoo! and some more on your handset. Jump over for a detailed tutorial.
Via: WOM World