MicroNet Technology SP5001A/S - Manual (Page 46)

5.2. SIP Information
Run Mode
Select Proxy mode or Peer-to-Peer mode.
Primary Proxy IP
Address
Set Proxy IP Address or URL e.g. 220.130.173.70 or
sip.micronet.info
Secondary Proxy
IP Address
Set secondary proxy address here if available
Outbound Proxy
The outbound proxy is a normal SIP proxy. You configure your
client, the gateway or phone, to use the proxy for all SIP
sessions, just like when you configure your Web browser to use
a Web proxy for all Web transactions. In some cases, the
outbound proxy is placed alongside the firewall and is the only
way to let SIP traffic pass from the internal network to the
Internet.
Enter the Outbound Proxy address here if your SIP service
provider supported.
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