1.1. Keys/Connections overview

Panasonic KX-UT113 / KX-UT123:

Panasonic KX-UT133:

Panasonic KX-UT136:

Number DescriptionNumberDescription
LCD: 3-line LCD
The KX-UT123 features a backlit LCD.
The KX-UT136 features a 6-line LCD.
Currently not defined
Softkeys (S1 to S4)
To select the functions in the bottom line of the display.
Voice mail
Accesses voice mail.
Navigation keys
For adjusting the volume or to select the desired entries.
Places a call on hold. When a call is placed on hold the “Hold” light flashes red.
Confirms the selected entry.
Mutes the microphone/receiver during a call.
Signal light message/call signal
The light flashes green with an incoming call.
The light is a steady red to indicate a voicemail message.
Transmits a call to another party.
Receiver hook
Secures the receiver if the device is mounted on a wall.
Hands-free mode / Headset
For using the telephone in hands-free mode. When muted, the light flashes red.
Do not disturb (DND, forced busy)
Activates do not disturb (DND) for your extension. The telephone won’t ring, same as “for call forwarding... delayed” to the caller.
Cancels the selected function.
Conference call
To start a 3-way call.
Freely programmable function keys
The light on the keys indicates their respective status.
Redials the last number dialed.

Used for hands-free mode.



Panasonic KX-UT113 / KX-UT123 (left side view):

Panasonic KX-UT133 / KX-UT136 (left side view):


Number DescriptionNumberDescription
EHS connection
For connecting cordless Plantronics DECT headsets.
Headset connection


Panasonic KX-UT113 (back view):

Panasonic KX-UT123 (back view):

Panasonic KX-UT133 / KX-UT136 (back view):


Number DescriptionNumberDescription
DC connectionPC-Port
LAN-PortReceiver connection