
ZyWALL 1050 Support Notes
160
All contents copyright (c) 2006 ZyXEL Communications Corporation.
Fix
oIP Line A
lication
Branch Office
Main Office
P2002 P2002
IP: 192.168.22.35
IP: 192.168.10.37
SIP Number: 880
SIP Number: 850
We used two VoIP ATA (ZyXEL P2002 series) connected to office gateway. Each of the VoIP
ATA has a SIP number for remote ATA dialing. This kind of application is called Fix VoIP Line
application. User only needs to install and configure VoIP ATA device and doesn’t need to
register with an external SIP server. We will use VPN tunnel for VoIP traffic transmission to
ensure the VoIP security.
VoIP ATA P2002 Configuration:
The default management IP for P2002 is 192.168.5.1. Login to the P2002 GUI and switch to
the Ethernet menu. Set the Ethernet IP setting to “Get IP address Automatically”.
WAN: 220.123.97.7
LAN: 192.168.22.0/24
WAN: 179.25.3.24
LAN: 192.168.10.0/24
Internet
VPN Tunnel
VPN Tunnel
Z
WALL 1050 Z
WALL70
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