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NEAX2000 IVS
2
ISDN System Manual
Page 14 ND-70919 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
OUTLINE OF EVENT BASED CCIS
Event Based CCIS allows a PBX customer who does not have tie lines to use the various
Common Channel Interoffice Signaling (CCIS) feature by using ISDN lines as CCIS virtual tie
lines. For the PBX customer who usually has low traffic, Event Based CCIS is available between
NEC NEAX PBXs.
Figure 1-7 shows the system outline of Event Based CCIS.
Figure 1-7 System Outline of Event Based CCIS
LC/TRK
CCH
NEC PBX
LC/TRK
CCH
ISDN NETWORK
EVENT BASED CCIS CONNECTION
LC/TRK
CCH
DTI/BRT
PBX
LC/TRK
CCH
ISDN NETWORK
REGULAR ISDN CONNECTION
PBX
NEC PBX
/PRT
DTI/BRT
/PRT
DTI/BRT
/PRT
DTI/BRT
/PRT
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