Zte OPTUS X MAX User Manual page 59

The call waiting and conference call features need network
support and may result in additional charges. Please contact
your service provider for more information.
Switch Between Current Calls
When you're on a call and another call comes in, your phone
screen informs you and displays the caller ID.
To respond to an incoming call while you're on a call:

Slide
hold and answers the second call.

Touch Answer & end other call to answer the call. This
ends the first call and answers the second call.

Slide

Touch Reply to reject the second call and select a preset
text message or edit one to send to the caller.
To switch between two calls:
Touch .
Set Up a Conference Call
With this feature, you can talk to multiple people at the same
time.
1. Place the first call.
2. Once you have established the connection, answer an
up to answer the call. This puts the first caller on
down to reject the second call.
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