Your phone has a headset socket. This is suitable for the connection of phone headsets that connect via a HIS headset cable.

If there are no currently connected call, a call answered or made by pressing an appearance button is connected either handsfree or through the headset according to the phone's audio path setting. The same applies to dialing a new call.
If there is already a connected call to which you are talking through the headset, answering another call by pressing the appearance button will answer that call using the headset.

Using a Headset

To answer a call using a headset:

1.To answer a call using the headset, press the key headset HEADSET button.

To end a headset call:

1.To end a headset call, press the key headset HEADSET button.
If the other party ends the call, the HEADSET button remains active. Press the button to end the headset usage.

To switch from the headset to the handset:

1.To switch from the headset to the handset, simply lift the handset.

To switch to handsfree from the headset:

1.To switch to handsfree from the headset, press the key headset HEADSET button.
2.Replace the handset.

To switch from the headset to handsfree:

1.Press the key speaker SPEAKER button. See Handfree Speaker Operation.

To switch to headset from handsfree:

1.Press the key headset HEADSET button. The button remains lit whilst you have a call connected handsfree.

To mute the call while on the headset:

1.Press the key mute MUTE button. The button remains lit whilst the call is muted. Note that if you switch to the handset or handsfree, the mute is automatically canceled.

Headset Operation Settings

You can adjust the following headset settings:

Headset Volume
Default Audio Path
Headset Automatic Gain Control On/Off
Using Wireless Headsets