I've spent way too much time today trying to figure out how to integrate my Zoho Group Calendar with Outlook.  Ideally, I would like to have two way integration.  I would like to be able to view my group calendar in Outlook and add items to the calendar.  I'm getting the sense that is not possible (which is disappointing), so I will settle for being able to view my group calendar in Outlook.  

I don't need to integrate it with an existing account.  I just want to subscribe to the calendar and have it show up as a separate calendar in Outlook.  I've tried using the iCal link but Outlook complains that something went wrong.  It ends up creating the new calendar but it is completely blank.  

Please help.