At present, BTinternet does not supply a Chat program for Macintosh. However, there are a number of shareware IRC (Chat) programs which can be downloaded from the Internet. These include:

IRCLE
ChatNet

To configure an IRC program, you will need to know the address of the IRC Chat server. You may also need to type in your IP address, or host name. This changes each time you log on. Find out your IP address for this internet session.