How to add calendar subscriptions to your iPhone or iPad
First of all, you need to copy your personal iCal link from Teamgate "My profile" settings section "Integrations".
Then, please follow these steps:
Launch the Settings app on your iPhone or iPad.
Tap on Mail, Contacts, Calendars.
Tap on Add Account... under the Mail section.
Tap on Other.
Tap on Add Subscribed Calendar under the Other section.
Enter or copy in the server location of the calendar. It's that address you have got from your Teamgate profile settings.
Enter your Teamgate username, password.
Tap the Next button.
Tap the Save button.
That's it, the subscribed Calendar will now show up in the Calendar app.