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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).
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.
Troubleshooting
No Display, Incorrect Display, or Bad Con-
trast
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 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.
The Busy Lamp Field (BLF) feature
allows the user to monitor the hook
status and remote party information of
users through the busy lamp field LED
indicators and display on the attendant
console phone. The speed dial key
adjacent to the LED indicator may be used
for quick and convenient dialing, transfer
and conference to the remote party.
Note: This feature will only
be available if configured by
your system administrator.
Busy Lamp Field (BLF)