Instant messenger on 3 lets you message your friends just like you would from your PC. They can be at their PCs or on their 3 mobiles, as long as they've got their instant messaging switched on. To get going, all you need is your existing MSN Passport. To set up an MSN Passport account, simply download Windows Live Messenger for your PC and follow the instructions.
3 currently offer windows live messenger on the following handsets:
From there choose an online contact and start chatting. It couldnt be easier! Check out some of our Windows Live MSN Mobile Phones