Functions
Status of headsets
Operation
Answer new call and
retain current call
There is a new
incoming call
Short click MFB
once
Switch calls
During a call
Double click MFB
End current call and
switch to held call
Keep conversation
Short press MFB
once
Notes:
•Not all mobile phones support all functions listed above. Please refer
to your mobile phone’s user manual for further information.
•Certain functions and indication tones may vary with different models
of phone.
• When the volume is adjusted to max. or min., you will hear an
indication tone.
• When pressing the answer button on some mobile phones, the call
will be transferred to the phone. You will have to switch the call to
IGX-450S manually. Please refer to your mobile phone’s user manual for
further information.
Three-way call
operation