From ISoft Wiki
ISoft operates a XMPP chat server for internal use, and easy communication with our customers.
The server is located at im.isoftdata.com. To get an account made for you, contact us at firstname.lastname@example.org.
Most major chat clients support the Jabber (XMPP) protocol. Many of our customers use the Pidgin client to connect to our server and chat. For more information, see Setting up Pidgin.