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Graphical, illuminated, 7-line display
5 free programmable keys with 2-colour LEDs
7 softkeys and 10 function keys
Separate headset jack for DSHG headsets
Extension by an optional Answering machine module
Cascading of up to three T400 key expansion modules
Variant CS410-U for the int. Up0 connection (2-wire ISDN)
ISDN System telephone for the professional user
elmeg CS410
