IP LDK-20 Programming Manual System Feature
160
2.14 ISDN service
IP LDK-20 system Basic Rate Interface (BRI) Integrated Services Digital Network (ISDN) circuits. The
BRI provides two bearer channels and one data channel (2B+D)
Calling Number and Called Number services are supported. Calling Number services will be routed in
the same way as ANI(automatic number identification) calls using the DID route table .
The rules and conditions of ANI are the same, and still apply to Calling Number service on ISDN lines.
Called Number services will be routed using the DID route table. The rules and conditions of DID and
still apply to ISDN Called Number service on ISDN lines.
Channels
The bearer channels (B channels) transport voice information to and from the Central
Office.
The data channel (D channel) controls all signaling information for the bearer channels.
2.14.1 Call Deflection / Rerouting
Description
IP
LDK
system
is
supporting
ISDN-SS-CD/CR(ISDN
Supplementary
Service
–
Call
Deflection/Rerouting). The protocol standard about CD/CR can be referred the ETS 300-
202/204/205/206/207.
Operation
To activate ISDN-SS-CD/CR about CO lines:
1. In ADMIN program 143, enter CO lines range that serve ISDN-SS CD/CR.
2. Press the flexible button 9, and set ISDN-SS CD or CR .
Station Off-net Call Forward at Station:
1. Set the station off-net call forward at station according to the following step:
[On/Off]
+
[DND/FWD]
+ ‘5’ (or 6) + ‘Speed Dial Bin’ +
[Hold]
2. If there is ISDN incoming call through CO line that set ISDN-SS CD/CR, then the call
deflection/rerouting request message is sent with the station number that is saved in the speed
dial bin to use new divert destination.
Condition
1. This feature can be used within only ISDN network that supports ISDN-SS CD/CR service.
Admin Programming
n
ISDN-SS Call Deflection/Rerouting
4.2.4.9 (PGM 143 – FLEX 9)
Summary of Contents for IP LDK-20
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