No phone numbers are displayed for incoming calls or outgoing calls

Troubleshooting
Updated 04-10-2024 06:20:33 AM 2594
This Article Applies to: 

Phenomenon

  • A phone that connects to the modem router does not display the caller's phone number for incoming calls, or the caller's phone number is only visible on the phone's display for a very short time.
  • A phone doesn't show which phone number the caller called.

Troubleshooting

Note:

Take the actions described here one at a time. After each action, check to see if the problem is resolved.

  • Upgrade the firmware of the modem router

Refer to the FAQ to update your modem router to the latest firmware.

  • Test different Analog or DECT phones

If only one phone has problem, please update the OS of the phone to the latest version or contact the phone support.

  • Test the phone with another modem router

To eliminate the phone problem, replace the TP-Link modem router with another modem router. If the problem happens with another modem router, the issue may be caused by the phone.

Note:

Carry out this suggestion only if you have another modem router.

If the above steps can’t fix the problem, please contact TP-Link technical support team and provide us the following information.

  1. Model number, hardware version and firmware version of your TP-Link device;

How to find the hardware and firmware version of my TP-Link device

  1. Your internet service provider;
  2. The model number of your phone;
  3. The result of the above troubleshooting steps.

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