Programming Manual for Digital Key Telephone System
LDK-
300 & LDK-100
CO Line Features
1-3
CO CALL TRANSFER TO CO LINE
Description
A station may transfer a CO line call to another
CO line. If an external party on ISDN does not
answer the transferred call within Transfer Hold
Recall time, the transferring station will receive
recall ring. If the call remains unanswered, the
attendant will also receive recall ring for
Attendant Recall time. After that, the CO line will
be disconnected and returned to idle state.
Operation
Unscreened CO Line Call Transfer;
1. Press the
[TRANS/PGM]
button.
2. Intercom dial tone is heard and the CO line is
placed on exclusive hold state.
3. Seize a CO line and dial the number of
external party to be received the call.
4. Replace the handset and go on-hook.
Screened CO Line Call Transfer;
1. Press the
[TRANS/PGM]
button.
2. Intercom dial tone is heard and the CO line is
placed on exclusive hold state.
3. Seize a CO line and dial the number of
external party to be received the call.
4. When the called party answers, announce
the call transfer.
5. Replace the handset and go on-hook.
Admin Programming
n
Transfer Hold Recall Timer (PGM 180-BTN
7)
n
I-Hold Recall Timer (PGM 180-BTN 5)
n
Attendant Recall Timer (PGM 180-BTN 1)
n
Open Loop Detect Timer (PGM 142-BTN 13)
Condition
1. For this feature, CO lines (transferred CO
line and transferring CO line) must be able to
detect loop lost or disconnection condition.
2. If the transferred CO line doesn’t have
answer information (analog CO), recalling
will not be presented when it is not answered.
And, the call will be disconnected after
Unsupervised Conference timer (PGM 182-
BTN 6).
3. If the transferred line is ISDN CO, recall ring
will be presented to the CO line after Transfer
Hold Recall time while the line is released.
4. If you press the original incoming CO line
button while making transfer to an external
number (Screened Transfer), the outgoing
call is disconnected and the original incoming
call is connected.
CO FLASH
Description
While on a CO line, a user can request new dial-
tone to place a new call or, when behind a PABX,
activate a PABX feature. The system allows to
each CO line to be assigned the type of flash and
a flash duration.
Operation
To generate a flash while on a CO line;
Press the
[FLASH]
button.
To generate a flash while on a CO line from a
SLT;
Press the hook-switch slightly and dial
5
5 1
(depending on Numbering Set).
Admin Programming
n
Flash Type (PGM 141-BTN 7)
n
CO Flash Timer (PGM 142-BTN 12)
n
SLT Hook-switch Bounce Timer (PGM 182-
BTN 1)
n
SLT Maximum Hook-switch Flash Timer
(PGM 182-BTN 2)
n
SLT Minimum Hook-switch Flash Timer
(PGM 182-BTN 3)
Condition
1. The Flash command is not activated in ISDN
CO line.
2. A station that isn’t permitted to access CO line
cannot initiate a flash.
3. During a flash, the LED of CO line will be
flashing.