Samsung ITP-5121D 用户手册

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This user guide is written based on the default access code for using system fea-
tures. If the system numbering plan has been changed some of the access codes
may not be correct. Your installing company can inform you of the correct codes.

The system provides several tones to assist you. Some of these tones are already
familiar to you.

Intercom Dial Tone—A steady tone that indicates you can begin dialing.

DIAL TONE

CONTINUOUS

Ringback Tone—Indicates the station you dialed is ringing.

RINGBACK TONE—1000 ms ON/3000 ms OFF

CONTINUOUS

Busy Tone—Indicates the station you dialed is busy.

BUSY TONE—500 ms ON/500 ms OFF

CONTINUOUS

DND/No More Calls Tone—Fast busy tone indicates the station you dialed
is in the Do Not Disturb mode or cannot receive any more calls.

DND/NO MORE CALLS TONE—250 ms ON/250 ms OFF

FOR TEN SECONDS

Transfer/Conference Tone—Indicates your call is being held and you
can dial another party.

TRANSFER/CONF TONE—100 ms ON/100 ms OFF

CONTINUOUS

Confirmation Tone—Very short beeps followed by dial tone indicate you
have correctly set or canceled a system feature.

CONFIRMATION TONE—50 ms ON/50 ms OFF

FOR ONE SECOND
(programmable)

Error Tone—A distinctive two level beeping tone indicates you have done
something incorrectly. Try again.

ERROR TONE—50 ms of tone 1/50 ms of tone 2

FOR THREE  SECONDS

ABC

DEF

GHI

JKL

MNO

PQRS

TUV

WXYZ

OPER

32 CHARACTER DISPLAY
Two lines with 16 characters each.

TERMINAL STATUS INDICATOR Used
to provide your keyset status.

SOFT KEYS
Used to activate
features via the
display.

SCROLL KEY
Used to scroll
through dis-
plays.

20 PROGRAMMABLE KEYS WITH
TRI-COLORED LIGHTS Used for CALL
buttons, intercom calls, outside lines
and many other system features.

8 PROGRAMMABLE KEYS WITH TRI-
COLORED LIGHTS Used to call 
stations directly, to indicate busy 
conditions of other stations, for One
Touch dialing and many other system
features.

VOLUME CONTROL KEYS
Used to set independent 
levels for handset, speaker,
background music, ring and
page volumes.

MICROPHONE 
For handsfree 
operation.

SPEAKER 
For handsfree
operation and
ringing.