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No Dial-Tone
Verify power is correctly applied to the
SoundPoint
®
IP 300/301 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 in-line powering, check that
the switch is supplying power to the
phone (contact your system adminis-
trator).
Troubleshooting
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
headset to isolate the problem.
No Display, Incorrect Display or Bad Contrast
Verify power is correctly applied to the
SoundPoint
®
IP 300/301 SIP phone:
• As “No Dial-Tone” above.
Verify contrast adjustment:
• Follow the instructions in this User
Guide to adjust 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
investigation. 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.
No Ringing
Verify incoming ring setting and volume
level:
• Adjust the ringing level from the
front panel using the volume up/
down keys.
• Check that the Ring Type selected in
the Settings menu is not the Silent
Ring.
Verify successful outbound or inbound
calling:
• As “No Display” above.