No phone numbers are displayed for incoming calls or outgoing calls

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

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