Philips VOX 150 Mode D'emploi page 12

E N G L I S H
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Rejecting a call
> An incoming call will be indicated by your ring tone.
Your ring tone will be played by your Bluetooth headset and your
mobile phone.
1 To reject the call, press the ON/OFF&SEND/END button twice.
Muting the microphone during an ongoing call.
This function disables the microphone so that your partner cannot
hear you. Muting the microphone is only available during ongoing
calls.
1 To mute the microphone press the VOLUME UP and VOLUME
DOWN button simultaneously.
Your microphone is disabled.