Siemens Gigaset C450IP - Manual (Page 22)

21
Operating the handset
Gigaset C450 IP / Greek eng / A31008-M1713-T151-3-8U19 / telephony.fm / 24.9.07
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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
You can store up to 5 emergency numbers
in your telephone.
The default setting for your phone is that
these numbers are automatically dialled
via the fixed network, irrespective of whe-
ther you press the talk key c briefly or
press and hold it.
You can deactivate this function via the
Web configurator ( Dialing Plans, page 65),
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.
Emergency numbers may have been pre-
set in your phone. You can use the Web
configurator to display these, enter more
emergency numbers or delete/edit emer-
gency numbers (page 64).
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.
Control key
1 Control key
In this user guide, the side of the control
key that you must press in the given oper-
ating situation is shown in black (top, bot-
tom). Example: t for "press the top of the
control key".
The control key has a number of different
functions:
Please note:
– If you have used the Web configurator to
deactivate the Emergency calls always via
fixed line function and have entered an
automatic area code for VoIP calls
(page 64), the area code will also be pre-
fixed to the emergency numbers when
they are dialled via VoIP.
– Even emergency numbers cannot be
dialled if the keypad lock is activated.
Before dialling, press and hold the hash
key #, to release the keypad lock.
Please 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
#
.
§§§§INT§§§ §§Menu
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