Invisio G5 Mode D'emploi page 12

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mute, press both buttons again for about  seconds. While
muted, the headset beeps twice every  seconds.
Note: Audio tones can be heard only when wearing
the headset.
Call Waiting (Headset Profile)
To answer a second call, press the TALK button for 1
second. The headset places the active call on hold and
answers the new call. To switch back, press TALK again
for  second.
Note: Call waiting must be supported by your phone and
service provider.
Conference Call
To connect the "on hold" call to the conference call, press
and hold the VOLUME UP button for  second, or until the
headset beeps.
Note: Conference call must be supported by your phone
and service provider.