Yes, just turn on the notification option for Missed Calls.
Select the Widget Icon from the left Menu panel and scroll down to 'Instant Response'
Switch on Instant Responses to open all options.
Here you can change the Sender ID and have instant responses for:
Successful Calls
Missed Calls
Scheduled Appointments
Cancelled Appointments
Enter your custom message your lead will receive!
The system will automatically save your preferences.