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Telephone layout
SIP contemporary cordless 2-line - CTM-S2421
RJ-45 LAN port
MESSAGE WAITING LED
RJ-45 COMPUTER port
Wall mount clip
Speed Dial keys
Slide switch (inside)
(for energy-saving
charging mode)
Speed Dial key
REDIAL
FLASH
/FIND HANDSET
MUTE
+/VOLUME
-/VOLUME
/SPEAKER
HOLD
CHARGE LED
LINE 1 LINE 2 CONF
-/VOLUME/+
MESSAGE WAITING LED
LINE 1
FLASH
/SPEAKER
MESSAGES
LOW BATTERY LED
NOTE: Keep the slide switch (inside the phone) on the left side to maintain normal telephone operation.
17
LINE 2
CONF
OFF
HOLD
REDIAL
MUTE
Speed Dial keys
Telephone layout
/USB CHARGE ONLY
(USB port for charging only)