Panasonic KX-NS1000 Feature Manual page 31

Pure ip-pbx
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Normal Operation
PBX
IP-PT
The following types of extensions support rerouting to a secondary PBX:
KX-NT300 series IP-PTs
KX-NT500 series IP-PTs
KX-UT series SIP phones
IP-CSs (KX-NS0154 only)
Conditions
Extensions must be preregistered at the secondary PBX. When you register an IP extension, you can
specify the site to use for the secondary PBX connection.
The secondary PBX must contain the same type of card to which the extension is registered at the primary
PBX.
Each IP extension that uses this feature requires 2 ports: 1 at the primary PBX and 1 at the secondary
PBX. Therefore, the total number of individual IP extensions that can be connected to the system is
reduced.
To continue to provide Unified Messaging service, a mailbox can be created at the secondary PBX with
the same number as the one on the primary PBX.
Even if the primary PBX becomes available again, an extension will not reconnect to it if the extension is
on a call.
If BGM (® 3.1.2 BGM (Background Music)) is being played through the extension while it is connected to
the secondary PBX, it will not reconnect to the primary PBX when it becomes available.
Call history information (incoming call log [® 4.1.5 Call Log, Incoming] and redial [® 17.1.1 Redial, Last
Number]) for IP-PTs is not transferred to or from the secondary PBX. Therefore, when the extension
connects to the secondary PBX, call history information accumulated at the primary PBX cannot be
accessed, and any call history information accumulated at the secondary PBX cannot be accessed once
operation returns to the primary PBX.
Document Version 2016-03
PBX
IP-PT
KX-UT
PBX
KX-UT
IP-PT
KX-UT
2.1.7 Automatic Rerouting to Secondary PBX
Rerouted to Secondary PBX
PBX
Offline
PBX
: Current Connection
: Lost Connection
Feature Manual
PBX
31

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