ATT-1855CIB-d05.qxp 4/8/2005 5:37 PM Page 9

Volume level

 

EMO

ANNC

MSG#

 

 

4

Light is on when phone is muted

Telephone Operation

Options while on calls

To adjust listening volume

Press the VOLUME buttons to adjust listening volume.

There are eight volume levels for the speakerphone, and four levels for the handset. Each button press raises or lowers listening volume by one level.

Call waiting

If you have Call Waiting service, you will hear a beep if someone calls while you are already on a call. Press FLASH to put your current call on hold and take the new call. You can press FLASH at any time to switch back and forth between calls.

Mute

Press MUTE to silence the microphone during a call. You will be able to hear, but your caller will not be able to hear you until you press MUTE again to resume your conversation.

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AT&T 1855 Options while on calls, To adjust listening volume, Call waiting, Mute, Light is on when phone is muted