Panasonic KX-TDA100D Features Manual page 313

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The monitor PBX stops receiving status information for the selected extension. All NDSS buttons for
that extension stop displaying status information.
However, the related information is not deleted from the Network Monitor Extensions Table. Therefore, if
an extension user at a monitor PBX subsequently goes off-hook and presses the NDSS button for that
extension, monitoring will be reactivated. To completely remove monitoring of an extension, the registration
data must also be deleted from the Network Monitor Extensions Table at each monitor PBX.
The monitor destination of each NDSS button is determined by the registration information for a particular
index number in this table. Therefore, if the registration information for an index number is changed (for
example, the Network Extension Number assigned to Index No. 001 in the example above is changed from
"2001" to "4002"), any NDSS buttons that have been set for that extension will automatically point to the
new monitor destination.
Conditions
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Hardware Requirements:
The KX-TDA0920 SD Memory Card for Software Upgrade to Enhanced Version must be installed in all
PBXs that will monitor extensions or have extensions monitored.
If using an IP-GW4E card (KX-TDA0484), the firmware (not LPR) of the card must be version 1.2 or later.
If using a PRI23 card (KX-TDA0290), the LPR software of the card must be version 1.009 or later.
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All PBXs in the network must be KX-TDA series, KX-TDE series, or KX-NCP series PBXs. For information
on the hardware requirements for each PBX that will monitor extensions or have extensions monitored,
refer to the corresponding Feature Guide.
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Each of Network PBX IDs 1-8 can only be assigned to one PBX within a network. Assigning the same
Network PBX ID to two PBXs will cause network data transmission problems.
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It is only possible to assign NDSS buttons for extensions that have been previously registered in the
Network Monitor Extensions Table.
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Extensions connected to one PBX can monitor a maximum of 250 extensions at other PBXs. One extension
can be monitored by multiple extensions at multiple PBXs.
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To reduce NDSS data traffic, it is recommended that 8 or less extensions in a single Incoming Call
Distribution Group be monitored.
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Activation of an NDSS button is only required the first time that a button for a newly registered extension
is created. Once an NDSS button has been activated by being pressed the first time, any further NDSS
buttons for the same monitored extension will automatically display the extension status without needing
to be activated.
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To use the NDSS Monitor Release feature, an extension must be assigned as a manager.
® [511] Manager Assignment
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A maximum of two ports of each BRI card can be assigned to transmit extension status information
("ON").
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Through system programming, it is possible to assign a maximum number of "hops" (transfers between
PBXs) that extension status information can travel. Each time a piece of extension status information is
forwarded to another PBX, its counter is increased by one. When this counter reaches the assigned
maximum, the data is discarded. This is used to prevent data from circling unnecessarily around the
network.
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If it is not possible to remotely turn off transmission of extension status information using the NDSS Monitor
Release feature because of network conditions, it is possible to perform the same operation directly through
system programming at the monitored PBX.
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When using a private IP network, if extension status information is lost by the network, in some cases an
NDSS button may not be able to display the status of the relevant extension.
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NDSS can not be used when two PBXs are networked using the TIE Line Call by Own PBX Extension
Number feature (® 1.30.1 TIE Line Service).
1.30.5 QSIG Enhanced Features
Feature Guide 313