AT&T GL2101-2 - Options While on Calls; Handset Speakerphone; Volume Control; Mute

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Telephone operation
Options while on calls
Handset speakerphone
During a call, press /SPEAKER to switch between the speakerphone and
normal handset use.
Press OFF/CANCEL, or return the handset to the telephone base or charger to
hang up.
Volume control
While on a call, you can adjust the listening volume on the handset.
To adjust the listening volume of a handset:
f Press VOL or VOL on the handset while on a call.
Mute
Use the mute function to turn o the microphone. You can hear the caller, but
the caller cannot hear you.
To mute a call:
f While on a call, press MUTE on the handset. The screen displays Muted until
the mute function is turned o.
To end mute a call:
f Press MUTE on the handset again and resume speaking. The screen briey
displays Microphone on.
Mute is automatically canceled when you end the call.
Temporary tone dialing
If you have pulse (rotary) service only, you can switch from pulse to touch-tone
dialing temporarily during a call. This is useful if you need to send touch-tone
signals to access your telephone banking or long distance services.
During a call:
1. Press TONE on the handset.
2. Use the dialing keys to enter the relevant number. The telephone sends
touch-tone signals.
3. The telephone automatically returns to pulse dialing aer you end the call.