17
1
Earpiece
2
LCD display
3
• During a call, press to mute/
unmute the microphone.
• When the handset is
ringing, press to mute the
ringer temporarily.
• Press to initiate an intercom
call.
• Delete digits while
predialing.
4
• Press to review the caller ID
log when the telephone is
not in use.
• Press to scroll up while in a
menu.
• Press to increase the
listening volume when on a
call, or increase the message
playback volume.
• While entering names or
numbers, press to move the
cursor to the left.
• Press to review the redial list
when the telephone is not in
use.
• Press to scroll down while in
a menu.
• Press to decrease the
listening volume when on a
call, or decrease the message
playback volume.
• While entering names or
numbers, press to move the
cursor to the right.
5
• Hang up a call.
• Return to the previous menu
or idle mode without making
changes.
• Silence the handset ringer
temporarily while the phone
is ringing.
6
• Press and hold to set and
turn the ringer on/off.
7
• Use as a flash during call.
8
• Enter to call blocker menu.
• Review the Black list.
• Set the block modes.
• Select the call types to
block.
9
• Press to display the menu.
• Once in the menu, press
to select an item or save an
entry or setting.
10
• Press to make or answer a
call using the handset.
• Press to turn on the handset
speakerphone, press again
to resume normal handset
use.
11
• Enter space character during
text editing.
CS2050 series only
11
• Delete messages in the
answering system.
• Repeat current message
during message playback.
• Press twice to skip to previous
message.
• Stop message playback.
• Forward current message
during message playback.
• Skip to next message.
12
• Press and hold to lock the
keypad and again to unlock
it.
13
• Press to review the
phonebook.
14
Microphone