A PBX connected through a stacking connection is referred to as a "legacy gateway".
Site 1
Site 2Site 3
PBX
PBX
PBX
PBX
PBX
Private IP Network
(One-look)
PBX
STACK-M
PBX
STACK-S
PBX
STACK-S
PSTN
KX-NS1000
Legacy Gateway
Legacy Gateway
KX-NS1000
Legacy Gateway
KX-NS1000
Legacy Gateway
Legacy Gateway
DPT
APT
DSS Console
IP-PT
IP-PT
KX-UT
T1 line
All programming can be done through Web Maintenance Console on the KX-NS1000.
Conditions
• Hardware Requirement: STACK-M card (KX-NS1000) and a STACK-S card (for each legacy gateway).
• The KX-TDA15 and KX-TDA30 are not supported for stacking.
• The following features are available through a legacy gateway:
– Paralleled Telephone
– T1 Line Service
– Voice Mail (VM) Group
– Voice Mail DTMF Integration
– Voice Mail DPT Integration
– Centralized Voice Mail using a VPS
For details about these features and how to configure the necessary settings, refer to the documentation
of the PBX you will be connecting.
• IP extensions and CO lines, including SIP CO lines, are not supported through legacy gateways.
Installation Manual References
4.6 Stacking Cards
Section 6 Information about Stacking PBXs
362 Feature Manual Document Version 2016-03
18.1.11 Stacking Connection