8.15 Activating/Deactivating 'Forced headset' mode 
  Reach the 'Menu' page. 
  Settings   Phone  FcedHead 
  ON/OFF  activating/deactivating forced headset. 
8.16 Installing a USB accessory (Headset, Handsfree, Loudspeaker) 
  Connect the accessory to the USB connector. 
  When you plug the accessory in the USB port, the USB accessory is automatically detected. If 
necessary, you can also select the accessory type in the audio settings: 
  Reach the 'Menu' page. 
  Settings   Phone   USB plug  
  Select the type of device connected to the USB. 
o  Headset  
o  External hands-free  
o  External loudspeaker  
8.17 Contacting your administrator 
If necessary you may need to contact your administrator. 
Before contacting your administrator make sure you have information such as your phone's part number 
and software version to hand. 
The part number 
The phone's part number is located under the foot of the phone. 
Software version 
The software version can be viewed on the phone by following this path: 
  System   SWVersion