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EsherCollegeITServices-2893 asked ZhengqiLou-MSFT commented

Microsoft Edge doesn't see URL:TEL default app protocol

Domain environment, latest version of Chromium Edge, Windows 10 20H2, latest version of Teams machine wide installer.
We set default apps using the layout modification xml and group policy and everything works perfectly, Teams opens by default when phone numbers are clicked in Outlook etc, but when a user clicks a telephone number on a website Edge opens the Pick an App selection and Teams isn't available on the list.
I know Edge can see that Teams is installed as when a user clicks a link to join a Teams meeting it knows to open Teams, but why isn't it honouring the default app for phone numbers?
If anyone has any ideas please let me know.

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ZhengqiLou-MSFT answered ZhengqiLou-MSFT commented

Hi @EsherCollegeITServices-2893 ,

I tried several browsers and got the same issue. I believe that's because this protocol is not defaultly associated with Teams client.

You could modify the registry manually:
1. Navigate to: Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\Capabilities\URLAssociations
2. Add new string key: name : tel, Data : TeamsURL.
3. Then you could go to Settings > Default app > Set default by app > Choose Teams and apply the URL:TEL.
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Best regards,
Lou


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Hi @EsherCollegeITServices-2893 ,

Do the suggestions above help? If the issue has been resolved, please click “Accept as answer” to mark the helpful reply as an answer, this will make answer searching in the forum easier and be beneficial to other community members as well.

If you are still stuck in this issue, please feel free to post your questions.

Regards,
Lou


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Hi @EsherCollegeITServices-2893 ,

It has been a long time since the last reply, did these suggestions help you? If the above suggestion helps, please click “Accept as answer” to mark helpful reply as an answer. Your action would be helpful to other users who encounter the same issue and read this thread.

Regards,
Lou


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