When you are busy and unable to take a call on iPhone, you can make use of the Remind Me function to make iPhone Remind you to call back this person, whenever you are free.
Make iPhone Remind You to Call Back
The “Remind Me” feature on iPhone is only available whenever a phone call is coming to your iPhone and it allows you to make your iPhone remind you to call back this person.
This feature is really easy to use and ensures that you do not miss important calls on your iPhone.
The Remind Me feature on iPhone provides you with the option to setup both Time based and Location based reminders on your iPhone.
Set Time Based Reminder on iPhone
Whenever a phone call is coming to your iPhone and you are unable to take the call, tap on the Remind Me button.
On the pop-up that appears, tap on Remind in 1 Hour to make your iPhone remind you to call back this person after 1 hour.
Set Location Based Reminder on iPhone
Whenever an incoming call is coming and your iPhone is ringing, tap on the Remind Me button.
On the pop-up that appears, tap on When I Leave option, in order to make your iPhone remind you to call back this person while you are trying to leave your current location (Home in this case).
In order to use this option, you need to provide your iPhone with the permission to track your location. In case your iPhone is unable to track your Location, you will see a pop-up, asking you to enable Location services on your iPhone.