Turning The Speakerphone On And Off; Muting A Call - Samsung Galaxy S4 mini User Manual

To switch between the two calls:
Tap Swap.
The previous In call number turns gray and displays
On hold. The new active call displays a green background
behind the number.

Turning the Speakerphone on and off

While on a call, you can use your Speakerphone by following these
steps:
1. Tap
Speaker
2. Tap
Speaker
Tip: When the speaker is turned On, the color of the speaker is green.
When the speaker is turned Off, the color of the speaker is white.

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 OK to enable Bluetooth if it is not already
activated.
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(Speaker off) to toggle the speakerphone on.
(Speaker on) to toggle the speakerphone off.
(Mute off) to turn mute on so the other caller cannot
(Mute on) to turn mute off and resume your
Headset
(Headset off).