AT&T 2820 - Manual (Page 12)

EN
11
the manual Key Lock feature (see the SMART KEY LOCK section in this
manual on Page 26 for more details).
To activate speakerphone during a call:
• While in Talk mode, touch . ‘SPKR’ will appear on the handset
display to indicate the speakerphone is activated.
• Touch again to deactivate speakerphone and return to Talk
mode during a call. ‘TALK’ will appear on the handset display to
indicate talk mode is activated.
To end a call:
• Touch .
OR
• Place the handset back into the base cradle.
To redial a call:
• To redial the last number dialed, touch then touch .
OR
• Touch to access a list of the previous 20 dialed numbers.
• Use or to scroll through and select the desired number.
• Touch to dial.
Call waiting:
When you hear a call waiting tone:
• Touch to answer the incoming call and place your existing call
on hold.
• Touch to toggle between calls.
NOTE: You must subscribe to Call Waiting service through your local
phone company.
To adjust volume during call:
• Touch or to raise or lower the volume.
To mute the microphone during call:
• Touch to activate and deactivate mute.