CHAPTER 1 GENERAL INFORMATION
– 41 – NWA-008853-001 Rev.3.0
97ch1001.fm
Determining Which PBX Should Be Main Office
When using No. 7 CCIS, the following features require establishing a clear relationship between the Main
and Satellite offices:
• Centralized Attendant Service (CAS)
– Attendant Camp-On with Tone Indication-CCIS
– Busy Verification-CCIS
– Centralized Day/Night Mode Change-CCIS
For Centralized Day/Night Mode Change Service, the Main Office must be the 2400 IPX. This fea-
ture can be set only from the Main Office 2400 IPX: The 2000 IPS’s Attendant Console cannot set
this feature. The 2000 IPS provides the feature when instructed by the Main Office.
• Centralized Billing-CCIS
• Centralized Fault Message
Main office: 2400 IPX only
The 2000 IPS can pass information, but cannot generate alarm information and send over CCIS.
• Centralized MAT-CCIS
Main office: 2400 IPX only
• Network Station Number-CCIS (FCCS)
Main office: 2400 IPX only
For Centralized Fault Message, the 2000 IPS cannot generate its own fault message. It can only relay a
fault message from one office to another office.
When Office A and Office C are 2400 IPX and Office B
OFFICE B
is 2000 IPS, a fault message from Office A can be
OFFICE COFFICE A
NO. 7 CCIS
NO. 7 CCIS
PRINTER FOR
FAULT MESSAGE
printed out at the printer located in Office C.
NETWORK STRUCTURE CONSIDERATIONS
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