Panasonic KX-NS1000, Installation Manual, Page: 44 / 416

IP Network
Master Unit
KX-NS1000
Slave Units
(Up to 15 Units)
.....
KX-NS1000
KX-NS300/KX-NS500/KX-NS700
KX-NS300/KX-NS500/KX-NS700
KX-NS300/KX-NS500/KX-NS700
Note
For details about using a KX-NS300, KX-NS500 or KX-NS700 PBX as a Slave unit, refer to
"8.4.3 Information about Slave Units".
H.323 QSIG network
If the network will include non-KX-NS1000 PBXs (e.g., KX-TDE200, KX-NCP500), then an H.323 QSIG
network is necessary.
An H.323 QSIG network is preferable if strict resource separation between sites is necessary. Although it is
possible to reserve certain resources for certain extension users in a One-look network, the default is to share
resources. On the other hand, in a QSIG network, resources are not available to extension users of other PBXs
without explicit programming.
Programming and configuring an H.323 QSIG network is much more complex than a One-look network.
It is also possible to connect a One-look network to other PBXs via QSIG. In an H.323 QSIG network, the
One-look network appears as one PBX. The Master unit represents the One-look network.
For details about programming the H.323 QSIG network, refer to "5.6 Programming an H.323 QSIG
Network".
For details about H.323 QSIG network, refer to "4.2.2 Network Type Comparison" in the Feature Guide.
One-look Networking Survivability
In a One-look network, the KX-NS1000 can provide failover functionality (One-look Network Survivability). This
means that the system can continue to provide partial service even if the Master unit fails or if a network failure
occurs between the Master unit and Slave units.
The following 2 types of failover are available:
–
Backup Master mode
–
Isolated mode
In addition, the KX-NS1000 provides the Automatic Rerouting to Secondary PBX feature and UM Group
Failover feature.
For an overview of One-look Networking Survivability, refer to "8.4.2 One-look Networking Survivability".
44 Installation Manual
2.1.1 System Configurations