Zte OPTUS X MAX User Manual page 56

Place a Call from the Call History
The call history is a list of all the calls you've placed, received, or
missed. It provides a convenient way to redial a number, return a
call, or add a number to your contacts.
1. From the home screen, touch
field) > Call history.
NOTE:
Touch Missed to find all missed calls.
2. Touch
NOTE:
You can also touch the contact icon in front of the listing and
then touch
Call Your Contacts
1. From the home screen, touch
your contacts.
2. Touch a contact and then touch
voice/video call.
beside a listing to call back.
or to place the voice/video call.
> (in the top search
> the
or
56
tab to view all
to place the