Your phone has a headset socket located under the phone. 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 hands free 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 hands free from the headset:

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

To switch from the headset to hands free:

1. Press the key speaker SPEAKER button. See Hand free Speaker Operation.

To switch to headset from hands free:

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:


While talking via the headset, you can adjust the volume of the incoming call.


1. With the call connected on the headset, press the keys volume key.
2. Use the + plus and minus keys to adjust the volume.
3.The display will return to normal after a few seconds


How to set default audio path headset vs. speakerphone


By default, when you make a call or answer a call without lifting the handset, the audio is played through the phone's speaker while you speak via the phone's microphone.


If you have a headset attached, you can change the phone's behavior so the audio is played through the headset by default rather than the speaker.


1. Press the key menu MENU button.
2. Use the up arrow up and down down arrow arrow keys to locate the option Call Settings....
3. Press the Select soft key.
4. Use the up arrow up and down down arrow arrow keys to locate the option Audio Path.
5. Use the left arrow left and right right arrow arrow keys or press the Change soft key to change the setting.
6. When completed, press the Done soft key.
7.Press the Exit soft key to exit the menus.

When using automatic gain control (AGC), the phone tries to maintain a constant audio level even if the incoming call changes between loud and quiet.


1. Press the key menu MENU button.
2. Use the up arrow up and down down arrow arrow keys to locate the option Advanced.
3. Press the Select soft key.
4. Use the up arrow up and down down arrow arrow keys to locate the option Audio.
5. Press the Select soft key.
Use the up arrow up and down down arrow arrow keys to switch between the Handset, Headset or Speaker settings for automatic gain control.
To change a setting, use the left arrow left and right right arrow arrow keys or press the On/Off soft key.
6. When completed, press the Done soft key.
7.Press the Exit soft key to exit the menus.