Missed call emails are managed by Exchange and to that extent the option is found with in Office 365.
How to enable/disable missed call notifications
- Using portal.office365.com, Log in to Office 365
- From the App Launcher, Select Mail
- Click on the Gear wheel Icon to access options.
- Search "Notifications" in the search field.
- Select Notifications - Voice mail
- Toggle the check mark in the field "Send an email message to my Inbox when I miss a phone call"