Your DCT6172C combo
Cordless handset and base
Incoming call light
Volume up/down
Memory 1
Memory 2
25 dB Boost
Display
Up/Redial
Phone Book
Menu/OK/Recall
Intercom
Mute/Delete
End call
External call/Handsfree
Down/Calls list
*/Ringer on/off
Alphanumeric keypad
#/Keylock
Pause (long press 0)
Microphone
GB
Charging
100