NEC NEAX 2000 IPS - Page 59

CHAPTER 1 GENERAL INFORMATION
– 45 – NWA-008853-001 Rev.3.0
97ch1001.fm
• Data Assignment of Office C
• Data Assignment of Office D
Example 2:
In this example, there are two connection patterns from Office A to Office D, A-B-D and A-C-B-D. Office
A’s first choice route in the Least-Cost Routing (LCR) Route Pattern Table would be CCH0 (whatever
route the voice channel is assigned to).
The second choice would be to the voice route associated with CCH1, which is connected to Office C. At
Office C the programming is set up to call and signal Office B, which then routes the call to Office D.
• Data Assignment of Office A
Command Code 1st Data 2nd Data Remarks
CMA8 00001
00002
00004
1
1
0
Assign the data to make a CCH link with Office
D via CCH0, and make a CCH link with Office
B via CCH1.
Command Code 1st Data 2nd Data Remarks
CMA8 00001
00002
00003
0
0
0
Assign the data to make a CCH link with Office
C via CCH0.
Command Code 1st Data 2nd Data Remarks
CMA8 00002
00003
00004
0
1
0
Assign the data to make a CCH link with Office
B via CCH0 and make a CCH link with Office
C via CCH1.
AB
C
PC: 00001 PC: 00002
CCH0 CCH0
CCH1
CCH0
PC: 00003
A/B/C/D: Office (PBX)
CCH : Common Channel
Handler
PC : Point Code
D
PC: 00004
CCH2 CCH0
CCH1
CCH1
NETWORK STRUCTURE CONSIDERATIONS