To have a copy of the ice schedule in your phone's other section, click on the ice schedule menu, then select schedule. This will open a calendar and on the bottom right corner click on the "+ Google Calendar". When asked if you want to add the calendar say yes.
To subscribe to ice calendar, go into your Setting, calendar and add Account and then select Other and Add Subscribed Calendar. When asked for server copy the http: listed below.
Clicking on the link above will get the information onto your calendar but will not give you the updates when changes are made to the existing calendar.