Save all your missed calls on an Evernote note as todo so that you can call them later and mark as done one by one.
If
Any incoming phone call missed
This Trigger fires every time you miss a phone call on your Android device.
Then
Append a to-do to note
This Action will append a to-do checkbox to a note as determined by its title and notebook. Once a note’s size reaches 2MB a new note will be created.
Explore more great ways to automate Evernote and Android Phone Call