Listed below is the install steps for the 14201-10 EHS cable to the Mitel 6865I phone.

### How do I connect my Jabra wireless headset with the Jabra Link 14201-10 to my desk phone so I have remote call control using my headset? share Share Connection: Connect the AC adapter that is supplied with the headset to the headset base, and connect the other end to an electrical outlet. Connect the Jabra Link 14201-10 EHS cable with the red band to the AUX interface on the headset base, and connect the end with the blue band to the headset base socket that is marked with a phone icon. Connect the Jabra Link 14201-10 EHS cable single end to the headset interface on the desk phone. Configuration: Ensure the headset function is enabled on the desk phone. Refer to your phone or IT support for assistance. Follow the setup instructions for your Jabra wireless headset. If the headset base requires manual configuration, set the Electronic Hook Switch setting to “DHSG” and set the dial tone switch to position “A”. Make a call to the headset. If the volume of your voice is too loud or quiet to the person you are calling, adjust the headset microphone volume until you achieve the optimum level.

On the Mitel phone, You need to set the audio priority to Speaker / Headset.
Now set DHSG to be accepted on the Phone