From: DeskNow Knowledge Base
http://www.desknow.com/kb/

How do I configure GAIM with DeskNow?
http://www.desknow.com/kb/idx/8/011/article/

You can use most Jabber clients with DeskNow, including GAIM.

GAIM is a free chat client compatible with DeskNow, that can also connect to all the major public networks (MSN, Yahoo, ICQ, AOL). It can be downloaded at http://gaim.sourceforge.net/

See the picture below for an example of how to configure a DeskNow account in GAIM.

Note that in this example mydomain.com is the name of your domain or virtual domain configured in DeskNow, and www.myserver.com is the address of your DeskNow server.

If you want to use SSL for maximum security: