Accessories

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Headset (optional)

How to install the headset, see section “Installation” on page 132. You can set your IP telephone to headset preset mode. This way you can make calls without lifting the handset.

Activate headset preset mode

When the headset preset mode is turned off:

Press and hold the Headset key for 4 seconds.

Now the Headset preset mode is activated (headset symbol is shown in the display). All calls can be handled via the headset.

Deactivate headset preset mode

When the headset preset mode is turned on:

Press and hold the Loudspeaker key for 4 seconds. The Headset preset mode is deactivated.

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Ericsson Dialog 4425 manual Headset optional, Activate headset preset mode, Deactivate headset preset mode