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The proxy server therefore, is an intermediate device that receives SIP
requests from a client and then forwards the requests on the client's behalf.
Proxy servers receive SIP messages and forward them to the next SIP
server in the network. A series of proxy and redirect servers receive
requests from a client and decide where to send these requests. Proxy
servers can provide functions such as authentication, authorization,
network access control, routing, reliable request retransmission, and
security.
From the SIP RFC, "A registrar is a server that accepts REGISTER
requests and places the information it receives in those requests into the
location service for the domain it handles."
See the table below for a description of the parameters.
Parameter
SIP Listen Port
Proxy Setting
Registrar Setting
Re-Registration
Time Interval
Description
It is strongly recommended that you to leave the SIP port
unchanged (Default: 5060).
Set the proxy settings.
•
Proxy IP: IP address of your proxy server. (From your
VoIP provider.)
•
Proxy Port: Port number of the proxy server. (From your
VoIP provider.)
Set the registrar settings.
•
Registrar IP: IP address of SIP registrar.
•
Registrar Port: Port number of SIP registrar.
After this user-defined period has expired, you will need to
register again.
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