Troubleshooting Your Phone
5 - 5
Calling
Symptom Problem Corrective Action
There is no dial tone. Power is not correctly applied to
the phone.
Verify that power is correctly applied to the
phone:
• Check that the display is illuminated.
• Ensure the network cable is inserted
properly on the underside of the
phone. (Try unplugging and
re-inserting the cable.)
There is no audible ring tone. Ringer volume is low, or the
Ring Type is set to Silent Ring.
Verify ringer volume and Ring Type:
• To adjust the ringer volume, press
either the volume up or volume down
key when the phone is in the idle state.
• Check that the Ring Type is not set to
Silent Ring. (See Updating the Ring
Tone on page 2-9.)
Outbound or inbound calling is
unsuccessful.
Place a call to the phone under
investigation. Check that the display
indicates incoming call information.
A “hollow” phone icon displays at
the top left of the screen.
The phone is not registered to a
server.
Ask your system administrator to register
the phone to a server.
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