Panasonic NS1000 Manual page 175

2-1. One-look Networking Concept
The system looks like one PBX, even when connected though an IP Network
Concept of One-look Networking
Head Office
The PBX located at the head office
controls all of the extensions.
Ext.1001 Ext.1002
IP Network
Branch Office Branch Office
Ext.1102 Ext.1202
Ext.1101 Ext.1201
All extensions within the One-look Network behave as if they were part of the Main Office,
regardless of their actual location.
* The network can be easily expanded with simple programming.
- up to 1,000 extensions can be configured easily.