Panasonic KX-NS1000 Installation Manual page 338

8.4.2 One-look Networking Survivability
•
The following extensions and trunks are not automatically rerouted.
–
Legacy extensions and legacy trunks that are connected to the KX-NS1000
–
Extensions and trunks used with legacy gateways
•
There are conditions for specifying a Primary PBX and Secondary PBX for a KX-UT series SIP phone
installed at a remote site when the One-look network consists of 3 or more sites.
For more details, refer to "5.2.2.3 Simple Remote Connection" in the Feature Guide.
Rerouting the IP terminal to the Slave unit
Master Unit
Fault
IP-PT
Notes for IP Terminals using Automatic Rerouting to Secondary PBX
When IP terminals switch PBXs via the Automatic rerouting feature, the IP terminals require 2 port forwarding
settings to the gateway router.
IP-PT
Configuration Procedure
For KX-NT300 series and KX-NT500 series IP-PTs
To set a secondary PBX, refer to "5.8.1 Assigning IP Addressing Information".
For KX-UT series SIP phones
The secondary PBX setting is downloaded from Web Maintenance Console and automatically configured.
No operation on the SIP phones is required.
For S-PSs
To set a secondary PBX, refer to the documentation for the S-PS.
Reference
For more information about Automatic rerouting mode, refer to "4.2.3.2 Automatic Rerouting to Secondary
PBX" in the Feature Guide.
For more information about programming Automatic rerouting mode, refer to "9.15 PBX Configuration—[1-1]
Configuration—Slot—V-IPEXT32—Port Property–Secondary Setting" in the PC Programming Manual.
338 Installation Manual
Slave Unit
KX-NS1000
KX-NS1000
Site A
SBC Router
Router
KX-UT series
SIP Phone
Site B