Siemens optiPoint 420 standard - Deactivate Speaker; Activate Speaker

Important Operating Procedures
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optiPoint 410 entry S
Calling
n + o Number
or
o Number.+ n
Redialing
n
Dial last no. called
Answering a Call
w
Telephone is ringing
n
or
oder
und
n
Ending a Call
t
or
Activate Speaker
s
Redial
Cornfirm
Loudspeaker
Quit
Loudspeaker
Deactivate Speaker
s
Mute on
s
Mute off
s
Dial by Destination Key
n
or
s
Change Handset
Volume
n
u v vary the volume
Change Ringer Volume
w
Telephone is ringing
u v vary the volume
Loudspeaker
Mute
Mute
Number/Name
Shift
Number/Name
"Ringer off" on
LED goes on
"Ringer off" off
LED goes off
Answer a Call while
„Ringer off“ is on
LED Ringer off flashes
n
"Do not Disturb" on
LED goes on
"Do not Disturb" off
LED goes off
Phone lock on
LED goes on
Phone lock off
o Enter password
Ringer off
Ringer off
Do not Disturb
Do not Disturb
Phone Locked
Phone Locked
Confirmed