What if I don't already have a Jabber account? No problem!
Set up an account for yourself at: www.jabber.org.
Your Jabber ID will be “firstname.lastname@example.org”.
Use your client software to create this account on the Halloo Jabber server: jabber.halloo.com
Feel free to give out your Halloo Jabber ID and use your Halloo IM account
as a standard IM account as long as you keep your Halloo phone service.