You are in conversation in hands-free mode and you want to switch to the connected headset: 
•  Use one of the following: 
•  Press the On-Hook/Off-Hook key on the headset     
•   Short press     
You are in conversation via the handset or headset and you want to switch to hands-free: 
•  Use one of the following: 
o  Hang-up the handset       You are in hands-free mode. Associated light is lit. 
o   Short press       You are in hands-free mode. Associated light is lit. 
 Release the call 
Use one of the following: 
•  End the call from your mobile phone. 
•  If you are using a wired handset, hang it up. 
•  If you are using a headset, use the hang up key of the headset to release the call. 
•  Release call: select this softkey on the desk phone. 
•  . 
When you are using your desk phone as an audiohub, you cannot receive a call on the desk phone. The 
caller will see your phone as busy. 
It is not possible to take the call directly with the Bluetooth® handset. To use the handset, you have to 
switch the audio to the unhooked handset by using the Hands-free/Loudspeaker Key.