Troubleshooting, No Dial-Tone, No Ringing | Polycom IP300 specification

Troubleshooting

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).

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.

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 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:

•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.

Verify successful outbound or inbound calling:

• As “No Display” above.