During calls
Mute
1.When a call is in progress, press 
to mute (LED flashing).
2.To speak to the caller, press 
again (LED off).
Inquiry
1.When a call is in progress, press 
2.Call 3rd party and wait for an answer
3.Return to the first call by pressing, 2 (Sweden:
)
Refer back (Switch back)
Press, 2 to refer back to the other party (Sweden:
)
Transfer
1.When a call is in progress, press 
2.Call 3rd party and wait for an answer. Replace the handset before or after the answer
Conference
1.When a call is in progress, press, 
2.Call 3rd party
3.After answer, press numeric key 3
Repeat the procedure to add more conference members (max 7 members)
Hold / Park a call
1.When a call is in progress, Press 
and replace the handset
2.Lift the handset to resume the call on your own extension
To resume the call from on another extension:
1.Lift the handset
2.Call the extension where the call was put on hold
3.Press numeric key 8 (France: 4. Sweden:6)
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