Subscribed calendars settings
Use this payload to add read-only calendar subscriptions to the Calendar app on the device.
A list of public calendars you can subscribe to is available at the iCal Calendar Downloads website.
If the Use SSL option is selected and the server’s SSL certificate isn’t issued by a trusted certificate authority known to the device, use the Certificates payload to add any root or intermediate certificates that are necessary to validate the server’s SSL certificate.
You can add multiple subscribed calendar accounts by clicking the Add button .