[Example]
PBX-1
Network
ID 1
PBX-3
PBX-2
PBX-4
IP-GW
IP Network
Idle
4001 NDSS
Busy
4001
Idle Busy
Network
ID 2
Idle
4001 NDSS
Busy
Mixed Network
When using the NDSS feature over a mixed network containing both private IP network portions and ISDN
line portions, it is possible to set whether status information will be transferred between IP-GW and ISDN
cards within each PBX. For example, if the monitor PBX is on a private IP network, and monitored PBXs
are on an ISDN network, the PBX that acts as a gateway between the private IP and ISDN networks must
have this setting enabled for ISDN to private IP network (VoIP).
® 11.2 [9-2] Network Data Transmission— Network Data Transmission for Centralised Operator
Feature—Data Transmission ISDN->VoIP
4. Network Monitor Extension Registration [Monitor PBX]
Register the extensions (attached to other PBXs) that will be monitored. A maximum of 250 extensions
can be registered. Only extensions that have been registered here can be assigned to NDSS buttons.
® 11.2 [9-2] Network Data Transmission—
Network Extension No.
Network Monitor Extensions Table
Index No.
Network Extn. No. Network Extn. Name
001 2001 Branch 1: T. Durden
002 2002 Branch 1: M. Singer
003 4001 Branch 2: R. Paulson
: : :
250
When using the PBX Access Code numbering method, the relevant access code must be added before
the extension number registered here.
5. NDSS Button Customisation [Monitor PBX]
At any extension attached to a monitor PBX, customise a flexible button as an NDSS button for an extension
registered above. Then go off-hook, press this button once, and go on-hook again. This activates the
monitoring function. The monitored PBX will begin to transmit information about the status of that extension,
and the monitor PBX will begin to receive the information. The button light will display the status of the
extension connected to another PBX.
Removing or Editing a Registered Extension [Monitor PBX]
To monitor a new extension when 250 extensions are already being monitored, it is necessary to remove
the registration of an existing extension.
348 Feature Guide
1.30.5 QSIG Enhanced Features
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