Operating the Telephone with the optiPoint display module
Step by Step
Loudspeaker
148
Making Calls
You can dial a telephone number both on and off-hook.
If you have activated the function Busy when di-
aling (see
ed by an incoming call. The caller hears busy
tone.
Off-Hook Dialing
n
Lift the handset.
or
Press.
Call Control
< Please Dial> Del
Contacts
o
Enter a phone number using the keypad.
or
Enter the number using the display keyboard. (The dis-
play keyboard is described in the operating instructions
for the optiPoint display module).
During secure voice transmission you will see a
lock symbol in the caller box (also see
page 23)
page 110), you cannot be interrupt-
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