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titleIMPORTANT! Issues with Wi-Fi calling are likely due to your cellular provider, not your Wi-Fi or Internet connection.

NocTel has encountered instances of Wi-Fi Calling issues caused by iPhone or cellular provider settings. If implementing the solution below does not resolve your issue, please contact your cellular provider's support for assistance.

Why am I experiencing "digitized sound, audio cuts, or dropped calls" when making a Wi-Fi call on my iPhone over my NocTel Fiber Internet connection?

Depending on your carrier, you may encounter issues where calls made while connected to Wi-Fi experience poor audio or call connection. This occurs when certain carriers default to cellular signal (no matter its strength) even when iPhone Wi-Fi calling is enabled. Because the carrier setting cannot be changed, calls are not actually sent over a Wi-Fi connection when ANY cellular signal is present.

What can I do to improve my call quality?

Ensure Wi-Fi Calling is Enabled

If you have a carrier that supports Wi-Fi calling and has adequate handover between cellular and Wi-Fi connections. 

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titleNote: Carrier's Supported Features

Please note that some carriers do not support any Wi-Fi calling: you can check Apple's list here to see if your carrier supports wifi calling: https://support.apple.com/en-us/109526 

Disabling Cellular Service

If your Wi-Fi calling is enabled and you are still encountering issues, your carrier may be blocking Wi-Fi calls or prioritizing a weak or poor cellular signal. You can try bypassing a weak cellular signal by turning your cellular service OFF

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titleNote: Enable Cellular Service once outside your Wi-Fi range

Please note that if you turn off cellular service and disconnect from OR leave your Wi-Fi network's range, your device may not receive or make calls until Cellular service is turned back on.


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Additional Troubleshooting

Some users have found that disabling a carrier setting called Wi-Fi Assist has help with Wi-Fi call quality.

Disabling Wi-Fi Assist: 

  1. Tap Settings


  2. Tap Cellular.


  3. Scroll down past the Cellular Data section for apps until you see "Wi-Fi Assist."
  4. Tap the toggle for "Wi-Fi Assist" to disable it. The toggle will appear gray when off.


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Carriers that NocTel has encountered that default to using a weak cellular signal over Wi-Fi: 

  • T Mobile
  • US Mobile

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