Keep your communication log history in google drive spreadsheet. You will have user friendly log in which you will have Date, Number, Contact Name, Type of communication (SMS or CALL), the way (IN or OUT) and the content. The spreadsheet will be in the IFTTT folder in your Google Drive. If you activate all 5 recipes of mine, you will have a complete log of your all comunication in one spreadsheet. This is log for missed calls.
If
Any incoming phone call missed
This Trigger fires every time you miss a phone call on your Android device.
Then
Add row to spreadsheet
This action will add a single row to the bottom of the first worksheet of a spreadsheet you specify. Note: a new spreadsheet is created after 2000 rows.
Explore more great ways to automate Google Sheets and Android Phone Call