Append your outgoing calls to a note named "Call log" in Evenote
If
Any outgoing phone call ends
This Trigger fires every time you place a phone call on your Android device.
Then
Append to note
This Action will append to a note as determined by its title and notebook. Once a note’s size reaches 2MB a new note will be created.
Discover more time saving integrations for Android Phone Call and Evernote