
CHAPTER 1 GENERAL INFORMATION
System Outline
Interworking with Other Network
The PBX can be connected with the other manufacturer’s PBX by the 
Figure 1-4  Interworking with Other Network
ISDN
Network
NEC
ACIS
| Existing Office | CCIS | 
Existing Office
Q-SIG 
Network
Other Manufacturer
NOTE: Interworking between 
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