Samsung SBH700 User Manual page 20

Using options during a call
You can use the following functions to control your call during
a call.
Adjusting the volume
Press [+] or [-] to adjust the earpiece volume.
At very high volumes, prolonged listening to the
headset can damage your hearing.
Muting the microphone
Press and hold [+] or [-] to turn off the microphone so that
the person with whom you are speaking cannot hear you.
Press and hold [+] or [-] again to turn the microphone back
on.
Switching a call from the phone to the headset
Press [ ] to switch the call from the phone to the headset.
Placing a call on hold
Press and hold [ ] to place the current call on hold.
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