3Com NBX 900-0208 User Manual
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106
C
HAPTER
7: F
EATURE
C
ODES
Caller ID Restriction 
(CLIR — All) — On/Off
F + 889
Caller ID Restriction 
(CLIR — Next Call)
F + 890
Class of Service Override
F + 433 + your own extension + # + your 
password + # + the outside party’s 
number
Conference Call — Add
F + 430 + telephone number
+ F + 430
“Establishing a Conference Call”
in
Conference Call — Drop
F + 431
“Establishing a Conference Call”
in
Direct Mail Transfer
F + 441 + other person’s extension + 
hang up
Do Not Disturb — On/Off
F + 446
Flash
F + 260
If your NBX system is connected to a 
Central Office by one or more Analog 
Line Card ports, and if the CO provides 
your organization with a feature such as 
Call Waiting that requires a flash signal, 
use this sequence to signal the CO to 
put the existing call on hold and toggle 
to the call that is waiting.
To return to the first call, repeat F + 260.
Forward All Calls to 
Voice Mail — On/Off
F + 440
“Other Ways to Manage Your Voice 
Mail Messages”
Hands Free — On/Off
F + 100
Set your phone so that internal calls 
automatically come through your 
speaker. You answer directly, without 
lifting the handset.
Incoming calls connect with no ring, and 
the caller can immediately hear you.
Hold
F + 402
in
Lock Your Telephone — 
On/Off
F + 432 + password + #
“Preventing Unauthorized Use of Your 
Telephone”
Message Waiting Indicator 
to Phone — Send
F + 412
“Using Message Waiting Indicator to 
Telephone”
Message Waiting Indicator 
to Phone — Cancel
F + 413
“Using Message Waiting Indicator to 
Telephone”
Message Waiting Indicator 
to Phone — Retrieve
F + 414
“Using Message Waiting Indicator to 
Telephone”
Table 9 NBX Feature Codes (continued)
Feature
Feature Code
See
