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Programming Manual for Digital Key Telephone System
300 & LDK-100
DO NOT DISTURB
Description
A user of single line telephone, allowed in the
system database, can place a call in DND, thus
blocking incoming intercom and CO ring with the
exception of recalls.
Operation
To activate DND from a SLT,
1. Lift the handset.
2. Dial 5 5 3.
3. Replace the handset and go on-hook.
To deactivate DND from a SLT,
1. Lift the handset.
2. Dial 5 5 3 or 5 5 9.
3. Replace the handset and go on-hook.
Admin Programming
n
DND (PGM 111-BTN 3)
Condition
1. Attendant can override the DND on the SLT.
2. Attendant can cancel DND on SLT.
3. The DND feature may be canceled by code 5
5 9. It is unified cancel code for DND/Call
Forward/Message for SLT.
HOWLING TONE
Description
When a station goes off-hook and does not
initiate dialing in the Dial-tone Time-out duration
or, if the duration between dialed digits exceeds
the Inter-digit Timer, the station will receive error
tone for about 30sec and howler tone as an error
indication.
And,
the
abandoned. In order to complete the call, the
user should return to on on-hook state and
restart the call.
Admin Programming
n
Howling Tone to SLT (PGM 111-BTN 5)
call
attempt
will
be
LAST NUMBER REDIAL
Description
The last dialed number (up to 24 digits) will be
stored and user may redial the number without
redialing the whole digits.
Operation
To use Last Number Redial,
1. Lift handset on the SLT.
2. Dial 5 5 2.
3. Or, press the [REDIAL] button on the SLT.
Condition
1. SLT has only one Last Number Redial buffer.
2. If the previous used CO line is busy, another
CO line in the group will be seized.
MESSAGE WAIT/CALL BACK
Description
When calling a SLT which is busy, does not
answer or in DND, call back or message waiting
can be activated. A SLT may receive a message
wait or call back from up to 5 other stations. The
SLT receiving the message can call the parties
that left the message wait.
Operation
To leave a message wait,
1. Press hook-switch.
2. Dial 5 5 6.
3. Confirmation tone is heard and replace the
handset.
To answer the message wait,
1. Lift the handset. (Indication tone is heard.)
2. Dial 5 5 7.
3. The station leaving the message will receive
intercom ring.
To leave a call back to a busy SLT,
1. Make hook flash.
2. Dial 5 5 6 while busy tone is heard.
5-4
LDK-
SLT Features
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