Billion Electric Company 7300VP - Manual (Page 103)

Local SIP Port: SIP signaling communication port number of IAD.
Registrar Address: SIP Register Server IP address.
Registrar Port: Port number of SIP Register Server.
Proxy Address: Indicate the IP address of SIP proxy server.
Proxy Port: Specify the port of the SIP proxy server on which it will listen for messages.
Port 5060 is the standard port for SIP; it is set as default value. This port number relies
on your SIP Service Provider; you should enter the appropriate port number, if SIP Provider
uses other than Port 5060
Outbound Proxy Address: Indicate the SIP outbound proxy server IP address. This
parameter is very useful when VoIP device is behind a NAT.
Outbound Proxy Port: specify the port of the SIP outbound proxy on which it will listen
for messages.
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