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6.8 SIP Setting SIP Phone Setting, Registrar and Outbound Proxy Server
Session Initiation Protocol (SIP) is the most popular Voice over IP standard. It enables two or more people to make
phone calls, share multimedia and make multimedia conference over the internet. Please have an administrator setup these
settings for you or obtain this information from your SIP service provider.
SIP Phone Port Number
SIP phone listening port.
Registrar Server Domain Name/IP Address
Registrar server domain name or IP address.
Registrar Server Port Number
Registrar server listening port.
Authentication Expire Time
The time after which the registration on SIP
Registrar expires. The phone must send SIP
REGISTER to keep the registration at half of the
setting time.
Outbound Proxy Domain Name/IP Address
Outbound proxy domain name or IP address.
Outbound Proxy Port Number
Outbound proxy listening port.
Send messages via Outbound Proxy
Select Enable to send all SIP requests through
Outbound Proxy.