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5215 and 5220 IP Phone SIP User and Administrator Guide
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DHCP Trace
In order for the phone to perform a DHCP request, use the DHCP TRACE? submenu. You
can then review the parameters that the DHCP returns. After you have reviewed the trace
information, the DHCP Lease is released. If a previous DHCP offer included VLAN
information, you will have the option to perform a DHCP trace using the VLAN information;
however, this option will only be available if VLAN information is available when you initiate
the test.
Performing a DHCP Trace
To perform a DHCP trace:
1. Plug the DC adapter cord into the power input, and press and hold
and at the
same time until NETWORK SETTINGS? appears on the display.
2. Press NO until TOOLS AND FEATURES? appears on the display, and then press YES.
3. Press NO until DHCP TRACE? appears on the display, and then press YES. USE VLAN
FOR DHCP? appears on the display if VLAN is available. If VLAN is not available, then
DHCP TRACE: RESULTS appears on the display.
4. (Optional) If USE VLAN FOR DHCP? appears on the display, press YES. DHCP TRACE:
RESULTS appears on the display.
5. Press
and to view the results. DHCP TRACE? appears on the display at the
end of the results.
6. Press NO to exit to the main menu.
Diagnostics
Performing a Diagnostics Test
To perform a diagnostics test to view the last recorded error or “assert”:
1. Plug the DC adapter cord into the power input, and press and hold
and at the
same time until NETWORK SETTINGS? appears on the display.
2. Press NO until TOOLS AND FEATURES? appears on the display, and then press YES.
3. Press NO until DIAGNOSTICS? appears on the display, and then press YES. LAST
ASSERT/EXCEPT appears on the display.
4. Press SELECT to view the last recorded error. If there are no errors to report, NO
ASSERTS/EXCEPTS appears on the display.
5. Press BACKSPACE to exit to the main menu.