Samsung Galaxy S 4 User Manual page 47

● End call: Terminate the call.
● Speaker: Control whether the call audio plays through the speaker or the earpiece.
Tap Speaker to play the audio through the speaker. (You can adjust the speaker volume

using the Volume key.) A green line appears under the Speaker button.
Tap Speaker again to use the phone's earpiece. The green line will disappear when Speaker

is not activated.
Warning: Because of higher volume levels, do not place the phone near your ear during speakerphone
use.
● Mute: Turn the microphone on or off.
Tap Mute during a call to mute the microphone. A green line will appear under the Mute

button.
Tap Mute again to unmute the microphone. The green line will disappear when Mute is not

activated.
Note: If Mute is activated, the speaker mode is deactivated.
● Bluetooth: Connect to a Bluetooth headset (not included).
Tap Bluetooth during a call to activate a Bluetooth headset. A green line will appear under

the Bluetooth button.
Tap Bluetooth again to de-activate the Bluetooth headset. The green line will disappear

when Bluetooth is not activated.
● Tap Menu for more options:
Contacts: Launch Contacts.

Memo: Launch Memo, to create memo during a call.

Message: Launch Messaging, to create a new message.

Settings: Configure calling options.

Phone Calls 35