PLANET VGW-400FO - Manual (Page 57)

4-Port SIP Internet Telephony Gateway
VGW-400 Series
8.2 SIP Proxy
The SIP proxy server defined here is dedicated to FXS lines.
Item Explanation
Domain The SIP domain for register or call making
Primary Proxy Server Primary SIP registrar server address
Primary Proxy Server
Port
Primary SIP registrar server port number
Outbound Proxy Server Primary outbound proxy server address
Outbound Proxy Server
Port
Primary outbound proxy server port number
Primary Proxy Server
Keeps Alive
Using NAT to keep the port alive
Keep Alive Time(sec) Specify time to send SIP registered message to proxy server.
Secondary Proxy
Enable secondary proxy or not. When enabling it, the primary
and secondary proxies will be registered at the same time.
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