AT&T has announced that they will be offering the iPhone to business customers confirming rumors that have been circulating since last week. According to the rumor, business plans would become available as soon as January 21st.

Here’s how the new business plans break down:

* 2 year commitment, voice service, and data plan required
* $45 per month for unlimited

data, visual voicemail, and 200 SMSes; $55 ups the SMS limit to 1,500; $65 for unlimited everything
* An extra $25 per month gets you 20MB montly data plan good for 29 countries, $60 per month bumps the limit up to 50MB
* Activate by 31 March and qualified accounts will receive a service credit of $25 per month good through 31 December, 2008