Samsung Galaxy S III User Manual page 103

Muting a Call
1. Tap
Mute
hear you speaking.
2. Tap
Mute
conversation.
Switching to Bluetooth Headset
1. Pair the target Bluetooth headset prior to your call.
2. While on a call, switch to the Bluetooth headset instead of
speaker by tapping
3. At the prompt, tap Turn on to enable Bluetooth if it is not
already activated.
4. While on a call, switch back to the device speaker by tapping
(Headset on).
Headset
(Mute off) to turn mute on so the other caller cannot
(Mute on) to turn mute off and resume your
Headset
Call Functions and Contacts List
(Headset off).
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