LG-Nortel IP LDK-20, Programming Manual

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IP LDK-20 Programming Manual System Feature
67
2.4.7 Data Line Security
Description
Once Data Line Security(ADMIN program 111 – FLEX 4) is set on an station, communication between
the station and the other party is protected from signals such as overriding, Camp-on to the
station(see Ref.1).
Modems and fax stations should usually be given this status.
[Example]
Figure 2.4.7 Data Line Security.
The figure 2.4.7 describes that the station which is set Data Line Security to ON can be protected
from Recalling, Transferring, Attendant Overriding, Camp-On.(see Ref.2, Ref.3)
Condition
1. If an analog extension (Data, Fax, Modem), which is assigned to data line security, makes an
external call via ISDN line, 3.1KHz Setup message will be sent to ISDN CO line instead of speech
Setup message.
2. If a busy station, which is assigned to data line security, receives an incoming CO call, the call is
disconnected with cause busy regardless of the DID/DISA Destination setting.
Reference
1. Camp-On : 2.4.5
2. Attendant Overriding : 2.13.5
3. Call transfer : 2.3.2
Admin Programming
n
Data Line Security 4.1.2.4 (PGM 111 – FLEX 4)
Attendant Overriding
Make Call
Camp-On
X
X
X
Data Line
Security On
Recalling/Transferring