To add contact details or calendar events from your notes:

1. Tap Typed Text

2. Then you can tap Augmented Notes

3. If its a phone number, like in the example below, you’ll notice that the icon for calling and contact are highlighted green.

4. Tap on either, to call or add to contacts.

The same steps follow for websites, email addresses and calender events. You can watch the walk through below for more information.