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• 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
instructions in this User Guide).
No Ringing
No Display, Incorrect Display or Bad Contrast
Verify power is correctly applied to the SoundStation
®
IP 4000 SIP phone:
• Check that the display is illuminated.
• Make sure that the network cable is
inserted properly on the bottom of
the phone (try unplugging and re-
inserting the cable).
No Dial-Tone
Verify power is correctly applied to the SoundStation
®
IP 4000 SIP phone:
Troubleshooting
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.
Verify successful outbound or inbound
calling:
• Place a call to the phone under in-
vestigation. Check that the display
indicates incoming call informa-
tion.
• Press the key. Ensure dial
tone is present and place a call
to another extension or number.
Check that the display changes in
response.