Deactivating.call.forwarding; Calling Line Identification Restriction; 3 - Way Calling; Adjusting.volume - Zte WF720 User Manual

Deactivating Call Forwarding
.. Pick.up.the.handset.and.listen.for.the.dial.tone..
.. Dial. #21# to disable this function and you will hear a confirmation
tone.
3.. Hang.up.your.home.phone.or.return.the.phone.to.its.base.

Calling Line Identification Restriction

.. If.you.have.to.call.line.ID.feature.you.can.restrict.the.display.of.your.
number.by.dialing #33#phone number

3 - Way Calling

If you subscribe to 3-Way Calling feature, follow these steps below.
1. When you hear a call waiting tone, press flash to answer and place
current.call.on.hold.
2. Press flash to swap between the two calls
3. Press 3 and flash to conference both calls together.
Adjusting Volume
During.a.call,.press.** or.##.in..second.to.enter.the.volume.adjusting.
mode,.and.then.press.*.to.decrease.volume.or.press.#.to.increase.vol-
ume..Press.other.keys.or.do.nothing.for.5.seconds.will.exit.this.mode..
Four. volume. levels. are. available. (level. . to. level. 4),. and. the. default.
level.is.4.
NOTE:
The.device.and.an.external.phone.usually.work.together,.this.method.
is. only. change. the. volume. of. the. device. (of. course. the. volume. of. the.
whole. system. will. be. changed. at. the. same. time),. and. you. can. also.
change.the.volume.of.the.external.phone.(if.supported).
.