SendIRC

In the client info requester, which will appear if you doubleclick on a client, you can click the IRC server address.

When you press this button the arexx script SendIRC.amicomsys will be executed. It will try to connect AmIRC. If it succeds it will connect to the
irc-server address.

If it does not succed, make sure you have  entered the path to your AmIRC in the Misc-settings.
Make sure you have the latest rexx-scripts. (SendIRC.amicomsys).