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The two-way built-in speakerphone allows you to make and answer calls
without lifting your handset. Keep in mind that two-way speakerphones may
not operate satisfactorily in every environment (such as in very noisy
locations).
To make or answer a call without lifting the handset, or to use the
speakerphone with any feature
1. Press .
2. Make or answer the call, or access the selected feature.
3. Adjust speakerphone volume if necessary.
To raise the volume, press the volume control button ; to lower
the volume, press the volume control button .
The display shows the volume level. (There are eight volume levels.)
If you want to make the speakerphone volume louder, you can disable
the speakerphone ACG by setting “Speaker AGC Enabled” to “No” in
the second page of the Options screen. When enabled, speakerphone
AGC automatically adjusts volume levels by increasing low signals and
decreasing high signals. If you disable the speakerphone AGC, low
volume levels will not be increased automatically. See “Working in the
Options Screen” on page33.
To change from the speakerphone to the handset
Pick up the handset and talk.
To change from the handset to the speakerphone
1. Press .
2. Hang up the handset.
To end a speakerphone call
Press again.
To use the Group Listen feature (if administered) in which the handset
(or headset) and the speaker are active at the same time
While you are active on the handset (or headset), press .
Note: When the 201A Recorder Interface Module is installed with the 2420
telephone and administered to use the headset jacks on the 20A, you
cannot use the Group Listen feature in which the headset and speaker
are active simultaneously. In this case, you can use the handset and
the speaker.
Speakerphone