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Busy Lamp Field
The Busy Lamp Field (BLF) feature allows
monitoring of the hook status and remote party
information of users through the busy lamp fields
and displays on an attendant console phone.
Note: This feature is not sup-
ported if your phone is config-
ured to work with Microsoft
Office Live Communications
Server.
Troubleshooting
No Dial-Tone
Verify power is correctly applied to the
SoundPoint
IP 600/601 SIP phone:
®
• Check that the display is illuminated.
• Make sure the LAN cable is inserted
properly at the rear of the phone
(try unplugging and re-inserting the
cable).
• If using inline powering, check that
the switch is supplying power to the
phone (contact your System Adminis-
trator).
No Display, Incorrect Display, or Bad Contrast
Verify power is correctly applied to the
SoundPoint
IP 600/601 SIP phone:
®
• As "No Dial-Tone" above.
Verify contrast adjustment:
• Follow the instructions in this User
Guide to readjust the contrast to a
darker level.
• Reboot the phone to obtain a default
level of contrast (follow the instruc-
tions in this User Guide).
Verify if dial tone is present on any other
audio paths:
• Switch between handset, headset (if
present) or hands-free to see if dial
tone is present on these other paths.
• If dial tone exists on one of these,
connect a different handset or head-
set to isolate the problem.
Verify successful outbound or inbound
calling:
• Place a call to the phone under in-
vestigation - check that the display
indicates incoming call information.
• Lift the handset. Ensure dial tone is
present and place a call to another
extension or number, check that the
display changes in response.
27
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