last year I have done video about, how to entering nimbuzz room by using xmpp pandion .
know in this post I am going to show you using gajim, how can. you will online on multiple id’s with same time.
All you need is Gajim, To download gajim visit this site gajim.org and download it
in Advance tab go to connection and and check tick on use Custom hostname /port
in Host name enter openfire.nimbuzz.com
now your gajim is ready for nimbuzz .
Note:- with gajim you can be online with multiple id’s at same time
and you can enter room with multiple id’s.