Zte Blade A7 2020 User Manual page 53

Touch .
Set Up a Conference Call
With this feature, you can talk to two people at the same time.
1. Place the first call.
2. Once you have established the connection, touch and dial
the second number. This puts the first caller on hold.
3. When you're connected to the second party, touch .
If one of the people you called hangs up during the call, you and
the remaining caller stay connected. If you initiated the call and
are the first to hang up, all callers are disconnected.
To end the conference call, touch .
53