Ericsson DIALOG 4223 PROFESSIONAL User's Guide download pdf (Page 5)

Ericsson Dialog 4223

13 Loudspeaker on/off

a. To activate Group listening. See section “During

Calls” on page 18.

b. To activate handsfree conversation (Dialog 422

Office only see section “During Calls” on page 19.

c. To activate Loudspeaker Preset. See section

“Headset Preset” on page 50.

14 Mute

a. To switch the microphone on or off during call. See

section “Mute” on page 20.

b. To switch off the ring signal in idle more or when

ringing. See sections “Mute ring signal” on page 46.

and “Silent ringing” on page 47.

15 Volume control

To change the volume. See section “Settings” on page

41.

16 Loud Speaker

17 Handset

Supplied with hearing aid function as standard. An extra

handset can be connected, see section “Accessories” on

page 48.

18 Pull-out leaf for easy guide (optional)

19 Key panel

With 17 programmable keys. Up to four panels can be

connected. See section “Key panel (optional)” on page

48.

20 Designation Card

Your system administrator can print new designation

cards for you.

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Ericsson DIALOG 4223 PROFESSIONAL User's Guide Page 5