
Programming Manual for Digital Key Telephone System
LDK-
300 & LDK-100
CO Line Features
1-13
3. ISDN Call Hold feature is available during
conversation.
4. The line, which is associated with this
ISDN supplementary service, can not be
transferred to other stations or can not be
retrieved from other stations. And the held
channel can be retrieved only by the
station which held the channel before.
5. When a call is on hold, the associated LED
for the line will flash at 480 IPM in the
station that uses the line. And all the
LED’s will be ON (busy) in the other
stations.
6. When a call is on hold and the user make
a new call, the associated LED for the line
at the station will be ON.
ISDN – BROKER CALL
Description
This feature allows a station user engaged in
one ISDN CO line to hold that call and can
originate another call by using the same
channel. Once the second call is established,
the originating station may alternate between
calls carrying on a private conversation with
either party.
Operation
1.
To hold the current call
;
(1) Press the
[FLASH]
key during
conversation.
(2) Press the
[HOLD]
key. Or
(1) Press programmed
{
SUPP HOLD}
button.
2. To make a new call by using the same
channel
(1) Press the
[FLASH]
key.
(2) Press the
{
CO}
key. Or
(1) Dial CO Access
Code 9
.
3. To retrieve the held call during
conversation;
(1) Press the
[HOLD]
key. Then
current call goes on hold and the held
call is retrieved.
Admin Programming
n
ISDN Attribute(PGM200)
Condition
1.
Both keypad protocol and functional
protocol are implemented.
2.
[FLASH]
and
[HOLD]
keys or pre-
programmed
{
SUPP HOLD}
are needed
for this feature.
{
SUPP HOLD}
key can
be made by
Code [TRANS/PGM] *75#
.
3. ISDN Call Hold feature is available during
conversation.
4. ISDN-Broker Call is available during
conversation.
5. The ISDN CO line, which is associated
with this ISDN-Broker call, can not be
transferred to the other station. And the
held channel can be retrieved only by the
station which held the channel.
6. ISDN-Broker Call is associated with ISDN-
3 Party Conference and Call Waiting
ISDN – 3 PARTY CONFERENCE
Description
This feature allows the user to make 3 party
conversation with one ISDN CO channel.
.
Operation
1. To make a 3 party conversation;
Press
[FLASH]
+
[CONF]
or
{
SUPP
CONF}
when a call is in Supplementary
Hold and a call in conversation.
2. To hold a party during 3 party
conversation
Press
[FLASH]
+
[HOLD]
or
{
SUPP
HOLD}
during 3 party conversation.