Q: How do I register? The very first thing you should do is to register for a free account at a Jabber server. Register new account.   Q: How do I add another user? To do anything useful you need to add users to your Roster (buddy list, contact list). Description here.   Q: Where do I find information in french? Pierre Couillard has written a very nice starting tutorial in french at recitmst.qc.ca/coccinella/. If you don't understand french you can always look at the pictures.   Q: I have a router/NAT. What do I do? Since a NAT translates ip addresses and port numbers you must set up a so called virtual server for your router/NAT. These are the steps involved on a D-Link 604.