This article provides possible solutions to problem with your Polycom SoundPoint 430 IP phone, such as No Dial-Tone, or your Polycom 430 phone is not ringing for incoming calls.
Polycom SoundPoint 430 IP Phone – No Dial-Tone
Verify power is correctly applied to the SoundPoint® IP 430 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 Administrator).
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.
No Display, Incorrect Display, or Bad Contrast.
Verify power is correctly applied to the SoundPoint® IP 430 SIP phone:
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 level of contrast (follow the instructions in this User Guide).
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.
Polycom SoundPoint 430 IP Phone – No Ringing
Verify incoming ring setting and volume levels:
- Adjust the ringing level from the front panel using the volume up/down keys.
- Check that ring type selection is not Silent Ring.
Verify successful outbound or inbound calling:
- As “No Display” above.
- Check same status of handset, headset (if connected) and through the hands-free speakerphone.
Polycom SoundPoint 430 IP Phone – No Audio On Headset
Verify correct connections:
- Ensure the headset is plugged into the jack marked Headset at the rear of the phone.
- Ensure the headset amplifier (if present) is turned on and/or the volume is correctly adjusted.
- Ensure that headset is compatible with the phone.
No Response from Feature Key Presses.
Verify phone is in active state:
- Make a call to the phone to check for inbound call display and ringing as normal.
- If successful, try to press feature keys within the call to access Directory or Buddy Status for example.
- Press [MENU] followed by System Status and Server Status to confirm line is actively registered to the server.
- Reboot the phone to attempt re-registration to the server.
Polycom SoundPoint 430 IP Phone Display Shows “Network Link is Down”
Verify LAN cable is properly connected:
- Check termination at the switch or hub (furthest end of the cable from the phone).
- Check that the switch or hub is operational (flashing link/status lights) or contact your System Administrator.
- Press [MENU] followed by Status, Network and Ethernet. Scroll down to verify LAN port is Active.
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