Samsung Galaxy S4 Active User Manual page 49

Communication
Finding contacts
Enter a name, phone number, or email address to find a contact in the contacts list. As
characters are entered, predicted contacts appear. Select one to place a call to it.
Making an international call
Tap and hold 0 until the + sign appears. Enter the country code, area code, and phone
number, and then tap .
During a call
The following actions are available:
•
: Select an equaliser option for use during a call.
• : Deactivate the noise reduction feature that removes background noise so that the
other party can hear you more clearly.
• : Increase the volume.
• H old: Hold a call. Or press and hold the headset button. Tap Unhold to retrieve the held
call, or press and hold the headset button.
• A dd call: Dial a second call.
• K eypad: Open the keypad.
• E nd call: End the current call.
• S peaker: Activate the speakerphone. Keep the device away from your ears when using
the speakerphone.
• M ute: Turn off the microphone so that the other party cannot hear you.
• H eadset: Switch to a Bluetooth headset if it is connected to the device.
• S wap: Switch between two calls.
• M erge: Make a multiparty call when connected to two calls. Repeat this to add more
parties. This feature is available only if the multiparty call service is active.
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