Siemens Gigaset C450 IP - Manual (Page 20)

19
Operating the handset
Gigaset C450 IP / Greek eng / A31008-M1713-T151-2-8U19 / telephony.fm / 19.9.06
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Switching between earpiece and
handsfree mode
d Press the handsfree key.
Switch handsfree on and off during a call.
If you wish to place the handset in the
charging cradle during a call:
¤
Press and hold the handsfree key d
while placing the handset in the charg-
ing cradle. If the handsfree key d does
not light up, press the key again.
For how to adjust the loudspeaker vol-
ume, see page 37.
Muting the handset
You can deactivate the microphone in
your handset during an external call. The
other party hears a wait melody.
Muting the handset
§INT§ Press the display key.
Cancelling muting
§Back§ Press the display key.
Dialling the emergency number
The default setting for your phone is that
all numbers that are saved as emergency
numbers are automatically dialled via the
fixed network, irrespective of whether you
press the talk key c briefly or press and
hold it.
You can deactivate this function via the
Web configurator ( Dialing Plans, page 57),
e.g. if you use the phone without a fixed
network. Ask beforehand, however, whe-
ther your VoIP provider supports emer-
gency numbers.
~ c
Enter the emergency number
and press the talk key.
Three emergency numbers have already
been entered in your phone. You can set
one more emergency number (page 41).
Operating the handset
Switching the handset on/off
a Press and hold the end call
key.
You will hear the confirmation tone.
Activating/deactivating the
keypad lock
# Press and hold the hash key.
You will hear the confirmation tone. The
Ø icon appears in the display when the
keypad lock is activated.
The keypad lock deactivates automatically
when you receive a call and activates
again after the call.
Notes:
– You can use the Web configurator to display
which emergency numbers are saved on
your phone (page 56).
– Please note: If you have used the Web con-
figurator to deactivate the Emergency calls
always via fixed line function and have
entered an automatic area code for VoIP
calls (page 56), the area code will also be
prefixed to the emergency numbers when
they are dialled via VoIP.
Note:
The handset displays an advisory message if
you press a key by accident while the keypad
lock is on. To deactivate the keypad lock, press
and hold the hash key # .