Using different audio devices (P820)(to be checked)

Handset

• Pick up the handset, enter the phone number, and press or the center key OR
  
  
• Enter the phone number and pick up the handset.

Headset

Enter the phone number, and press .

Speakerphone

Enter the phone number and press or or or the center key.

Handset or headset and casing speaker

With dual audio mode activated, other persons present in the room are allowed to listen in to the third party over the phone's casing loudspeaker.

1. Use the method for handset or headset use to dial.
   
   

2. When the call has been established, press to enable the casing loudspeaker. Press   to turn the speaker off.