Aastra Ascotel IntelliGate 2025 - 4.6.2.2 Call Routing in Regions

Ascotel IntelliGate 2025/2045/2065
Part 1 Networking the Systems 93
Fig. 1.31: Example: PISN with two regions and a shared numbering plan for Region 50
Tab. 1.7: Entries in the numbering plans for the above example
PINX 1, 2 and 3 share a numbering plan. PINX 4 has its own, specific numbering
plan.
4.6.2.2 Call Routing in Regions
The following illustrates how calls are routed in a PISN with regions.
Numbering plan
of
Specific
regional prefix
Internal (local)
subscriber
Numbers in the PISN
PISN Subscriber in region
PINX 1 50 400 ... 499 2xx, 3xx
602xx
50 (specific)
60
PINX 2 50 200 ... 299 3xx, 4xx
602xx
50 (specific)
60
PINX 3 50 300 ... 399 2xx, 4xx
602xx
50 (specific)
60
PINX 4 60 200 ... 299 –
502xx to 504xx
60 (specific)
50
066 666 66 xx
055 555 55 xx
C
250
250
D
300
400
A
B
022 222 22 22
E
F
033 333 33 33
Region 50
Region 60
PINX 1
PNP
Public network
PINX 1: Virtual PBX with PNP
Region 60
Region 50
AC D E
FB
300
250400 250
066 666 66 xx
022 222 22 22
033 333 33 33
055 555 55 xx
haz0666aaena0
PINX 2
PINX 3
PINX 2 PINX 3 PINX 4
PINX 4