14
SmartLink 4050 Series Quick Start Guide
4.4 SIP Settings
Click on
SIP Settings
to display the configuration window (see
figure 10
). Session initiation protocol (SIP) is
the most popular VoIP standard. It enables two or more people to make phone calls, share multimedia, and
make multimedia conference over the Internet.
Note
You should have an administrator set up these settings for you or obtain the information directly from
your SIP service provider.
Figure 10.
SIP Settings window
•
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 that the SIP registration expires. The phone must send SIP REGIS-
TER 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
