When using Trillian behind a router and/or firewall, you might need to forward/open ports for the various services. Check your router/firewall manual if you are unsure how to do this.

ICQ

• Requires 5 continous TCP ports, e.g. 12000 to 12004 to be open on your router. Also configure them in Trillian: ICQ plugin preferences-->Miscellaneous-->Use the following TCP listen ports for incoming events

MSN