Polycom IP 330, IP 320 manual Displays, Your Phone on

		Troubleshooting Your SoundPoint IP 330/320 Phone
Displays
Symptom	Problem	Corrective Action
There is no display.	Power is not correctly applied to	Do one of the following steps:
The display is incorrect.	the SoundPoint IP 330/320	• Check that the display is illuminated.
	phone.
The display has bad contrast.		• Make sure the LAN cable is inserted
		properly at the side of the phone (try
		unplugging and re-inserting the
		cable).
		• If using in-line powering, have your
		system administrator check that the
		switch is supplying power to the
		phone.
	The contrast needs adjustment.	Do one of the following steps:
		• Refer to Display Contrast on page 2-3.
		• Reboot the phone to obtain a default
		level of contrast (refer to Restarting
		Your Phone on page 4-17).
	Outbound or inbound calling is	Do one of the following steps:
	unsuccessful.	• 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.
The display is flickering.	Certain type of older fluorescent	Do one of the following steps:
	lighting causes the display to	• Move the SoundPoint IP 330/320 SIP
	appear to flicker.
		phone away from the lights.
		• Replace the lights.

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