Exchange 2010 room calendars

I have an Exchange 2010 server that I have setup room calendars for all of our conference rooms.  I need to be able to see those calendars on mobile phones both iphone and android.  The calendars can be seen within Outlook 2010 but so far i have not been able to see them on a smartphone.  When i try to setup them up on a phone it asks for a username and password but room mailboxes do not have that.
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tolinromeConnect With a Mentor Commented:
This may help for iPhone users

Did you give users read permissions to the mailboxes?

I think Exchange needs SP1 on it as well.
AisinAutoAuthor Commented:
Yes the users have read permissions and we are at SP 2.
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