Welcome
MD4160 Series Handset
Ringing status LED 
Volume control
Access Call ID/
Scroll down
Make/Answer call/
Switch between 
active calls
Switch between
Rotary(Pulse)/Tone
Mute/delete caller information
Call second
Handset
Antenna
Earphone jack
Access Directory/ Scroll up
Select options
End call/
Cancel command
Redial last number called/ Insert pause
Microphone
Switch to
ii
