UNIFORM NUMBERING PLAN
– 559 –
A2556-10
Example 1: When the PBX is an end office in a network employing an Open Numbering System,
Office A requires all the digits dialed on incoming call from the PBX.
Programming for Example 1:
COMMAND CODE 1ST DATA 2ND DATA REMARKS
20 Y=0 8 A126 Assignment of Access Code 8 of LCR Group
0.
8A Y=A000 0 4005 Assignment of Area Code
Development Pattern No. 5.
8A Y=4005
8A Y=4005
8A Y=4005
21
22
23
0000
0000
0000
Assignment of Route Pattern
No. 00 to Area Code 21, 22 and 23.
8A Y=0000 1 00000 Assignment of the order of LCR
Selection (1st) for Route Pattern No. assigned
by CM8A Y=4005.
8A Y=5000 100 9000 Assignment of Digit Addition Pattern No. 000.
8A Y=9000 0 8 Assignment of the digit code to be added for
each area code.
PBX
OFFICE
A
OFFICE
B
OFFICE
C
21-200
200
8XX-XXXX
8XX-XXXX
22-200
23-200
Trunk Route: Route 00
Tie Line Access Code:
Area Code of Office A:
Area Code of Office B:
Area Code of Office C:
Numbering Plan Group
8
21
22
23
0
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