NEC NEAX 2000 IPS System Manual page 62

Limitations on developing the Uniform Numbering Plan are as follows:
(1) Station Number (Closed Numbering)
• The dialing number must be formed as follows:
XXXXXXXX
Station Number
(Maximum 8 digits)
Office Location Number
(Maximum 2 digits)
• When providing 3-digit or 4-digit station numbering within the No. 7 CCIS network, the data assign-
ment of the Originating Office Number (CMA7 Y=06) is not necessary because the Originating Of-
fice Number is included in the originating station number.
• LCR Group 3 (CM20>A129) must be used for assigning an LCR access code.
(2) Office Code and Station Number (Open Numbering)
• The dialing number must be formed as follows.
a b b b c c
1 1 2 3 1 2
Office Code (b)
Access Code (a)
<
(a) 4 digits
<
(a) + (b) 4 digits
<
(c) 8 digits
a1 ≠ c1
c c c c c c
3 4 5 6 7 8
Station Number (c)
CHAPTER 1 GENERAL INFORMATION
NETWORK STRUCTURE CONSIDERATIONS
– 48 –
NWA-008853-001 Rev.3.0
97ch1001.fm