• 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.
level of contrast (follow the instruc- tions in this User Guide).
Verify successful outbound or inbound calling:

Busy Lamp Field (BLF)

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.

Troubleshooting

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.

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

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Polycom IP 600/601 Troubleshooting, Busy Lamp Field BLF, No Dial-Tone, No Display, Incorrect Display, or Bad Con- trast