1.1. Telephone overview

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Ringer/Charger indicatorDisplay
TALK/SP-PHONE (Speakerphone) KeySoft keys
Navigator Key, see belowPOWER/CANCEL Key
HOLD/Voice Message KeyTRANSFER/CLEAR Key
Silent Mode KeyFunction key
Flexible KeyMicrophone
Headset jack, not for KX-UDT131Charge contacts
Receiver  

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NumberPictureDescription

LEFT, used to display the Incoming call log.

UP, Used to adjust the ringer volume.
RIGHT, used to open the phonebook.
DOWN, used to display the Outgoing call log.
 CENTRE, used to display the menu.