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Communications Network Card unified security gateway
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Chapter 7 Tutorials
ZyWALL USG 20/20W User’s Guide
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address 1.1.1.2 that you wi
ll use on the
wan1
interface and map to the IPPBX’
s
privat
e IP address of 192.168.3.7.
The local SIP clients are on the
LAN.
Figure 96
IPPBX Example Network T
opology
1
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