Adjusting The Earpiece Volume; Keypad Lock (Keyguard) - Nokia 8810 User Manual

Mute
Transfer
Making a Conference Call
This feature allows up to six persons to take part in a conference call
(network service).
1 While in a call, press Select and choose New Call. The first
call is put on hold.
2 To join the first conference participant in the call, press
Options, choose Conference and press Select.
3 To add a new participant to the call, repeat steps 1 and 2.
4 To drop a single participant from the call, press Options,
choose Private and press Select. Select the participant
that you want to drop and press OK. Then press
5 To end the conference call, press

Adjusting the Earpiece Volume

You can adjust the volume of the phone's earpiece (this can also be
done during a call). Use the keys on the side of the phone. The upper
key increases the volume and the lower key decreases the volume.

Keypad Lock (Keyguard)

This feature locks the keypad to prevent keys being pressed by
accident (for example when your phone is in your pocket or in your
purse).
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to mute the phone's microphone
to connect a call on hold with an active call and
disconnect you from both calls.
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or close the sliding cover.