You can now access Google Talk from the iPhone to instant message with your contacts on the go.

Editions impacted:
Standard, Premier, Education, Team and Partner Editions

Languages impacted:
US English

How to access what's new:
From your iPhone's browser, visit http://talkgadget.google.com/a/example.com/talkgadget/m. Be sure to replace 'example.com' with your actual domain name.

For more information:
http://www.google.com/a/help/intl/en/users/mobile.html