USER’S GUIDE
REV AAA
TELEPHONE EXCHANGE
Telephone Lock :
When a line is attempted to be accessed selectively by dialing “
9
” through a phone that
has been locked by password and when a code is dialed for calling through memory, you
first hear a short tone. Then you are supposed to enter your password after that tone in
order to perform any operation. That could be considered as a security application.
In order to lock the phone:
H
Lift the handset and hear the internal dial tone.
837
Dial 837.
B
Dial your password.
1
Dial 1.
F
Hear the internal dial tone.
In order to unlock telephone:
H
Lift the handset and hear the internal dial tone.
837
Dial 837.
B
Dial your password.
0
Dial 0.
F
Hear the internal dial tone.
Notes:
• If you change or cancel your password through a locked phone, then the phone is
automatically unlocked.
837
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OTHER USER SERVICES
Do Not Disturb :
Thanks to this feature, if you want, you can make your telephone ring only once when a
call request is received, instead of ringing until it is picked up.
In order to activate the “Do not disturb”:
H
Lift the handset and hear the internal dial tone.
831
Dial 831.
F
Hear the internal dial tone.
To deactivate:
H
Lift the handset and hear the internal dial tone.
830
Dial 830.
F
Hear the internal dial tone.
Notes:
• The party calling you still receives ring back tone even if your telephone rings once
and then becomes silent. In that case, if you wish to answer the call, you can do that
by lifting the handset.
21
831