AT&T E5640 - Manual (Page 15)

13
Telephone Operation
Options while on calls
Volume control
Press the top ( + ) or the bottom ( - ) of the
VOLUME
but-
ton on the side of the handset to adjust listening volume. Each
button press raises or lowers volume by one level.
When you change the volume level, the new setting is saved.
The new volume level will be applied each time you use the
handset, speakerphone or headset.
Call waiting
If you subscribe to Call Waiting service with your local tele-
phone service provider, you will hear a beep if someone calls
while you are already on a call. Press
PHONE/FLASH
to put
your current call on hold and take the new call. You can press
PHONE/FLASH
at any time to switch back and forth between
calls.
3-way conference calls
While a call is in progress, a person at one other handset can
press
PHONE
or
SPEAKER
to join the call.
A person at either handset can press
OFF
, or place the hand-
set in the base or charger, to drop out of the conference call,
but the call will not be terminated until all handsets hang up.
Only two handsets can be connected to an outside call.
Mute
Press
MUTE
to silence the microphone. You will be able to
hear, but the person on the other end will not be able to hear
you until you press
MUTE
again and resume speaking.
Ring silencing
Press
OFF
or
MUTE
while the phone is ringing to silence the
ringer temporarily.
The next phone call will ring normally.
Temporary tone dialing
If you have dial pulse (rotary) service, you can switch to touch
tone dialing during a call by pressing
*
. This can be useful if
you need to send tone signals for access to answering systems
or long-distance services.
After you hang up or press
FLASH
, the phone automatically
returns to dial pulse (rotary) service.
Volume
Flash
MUTE
MICROPHONE MUTED
PHONE 00:00:12
Mute
Tone
Off
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