Ascotel IntelliGate 2025/2045/2065
92 Networking the Systems Part 1
Fig. 1.30: PISN with two regions and shared numbering plan for Region 50
The purpose dividing into regions is that then the existing DDI numbers can con-
tinue to be used.
4.6.2.1 Numbering Plan for Two Regions
Even a virtual PBX can easily be integrated into a PISN.
Own regional prefix 50
Internal subscribers 200 ... 299
PISN subscribers 300 ... 399
60200 ... 60299
Own regional prefix 50
Internal subscribers 300 ... 399
PISN subscribers 200 ... 299
60200 ... 60299
Shared numbering plan
PINX 1 numbering plan PINX 2 numbering plan
Own regional prefix 60
Internal subscribers 200 ... 299
PISN subscribers 50200 ... 50399
PINX 3 numbering plan
Region 50 Region 60
haz0665aaena0
PINX 1 PINX 2 PINX 3
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