Specifications

LIP-8002/8002A
iPECS Installer Guide
24
3.5.2.4 Backup Proxy Port
The Backup Proxy Port defines the port used when sending SIP messages to the backup proxy
defined under section 3.5.2.3
.
To assign the Backup Proxy Port:
Press the Settings (
) button. If the LCD Menu is locked, use the unlock procedure. Refer
to section 3.3
.
Press the
digit, or move the cursor to 2.SIP Configuration using the navigation buttons
and press the OK button.
Press the
digit, or move the cursor to 5.Backup Proxy Port using the navigation buttons
and press the OK button.
Input the Backup Proxy Port using the dial pad and press the OK button to save your entry.
Move to another parameter with the navigation buttons and continue the session or press the
Settings (
) button to exit the configuration session.
Changing the Backup Proxy Port requires a reboot of the IP Phone; when you leave the
menu, you will receive a reboot notice. The IP Phone must reboot to utilize the new
values entered.
3.5.2.5 Local UDP Port
The Local UDP Port defines the port, normally 5060, the IP Phone uses to send and receive SIP
signaling packets. In some instances, particularly when behind a firewall, the normal port may
not be available. If port 5060 is not available, a different port can be defined.
To set the Local UDP Port:
Press the Settings (
) button. If the LCD Menu is locked, use the unlock procedure. Refer
to section 3.3
.
Press the
digit, or move the cursor to 2.SIP Configuration using the navigation buttons
and press the OK button.
Press the
digit, or move the cursor to 6.Local UDP Port using the navigation buttons and
press the OK button.
Input the Local UDP Port using the dial pad and press the OK button to save your entry.
Move to another parameter with the navigation buttons and continue the session or press the
Settings (
) button to exit the configuration session.
Changing the Local UDP Port requires a reboot of the IP Phone; when you leave the
menu, you will receive a reboot notice. The IP Phone must reboot to utilize the new
values entered.
3.5.2.6 RTP Start Port
When a SIP call is established, Real-Time Transport Protocol (RTP) packets transport media
and digitized voice. The port used for RTP packets is usually 23000, but a different port may be
defined.