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Sometimes I like a good analysis on why technology doesn't work as it should. A bug in Microsoft Teams could have caused the failure of a real emergency call, as was explained in an explainer written by a former editor in chief.
Rahman explained the situation of a user trying to call the emergency services but their phone kept freezing.
A bug in Microsoft Teams could have caused this user's call to fail.
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This is a high-level technical analysis explaining the weird bug in Microsoft Teams.
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The tip is posted on Techmeme.
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December 10, 2021
Even if you skim the whole article, you still get a fascinating look at how the phone call features in Teams are integrated into the OS.
It is easy to confirm that there is a bug in the Microsoft Teams app that results in excessive registration of PhoneAccount instances. Every cold launch of the Microsoft Teams app results in the creation of another PhoneAccount instance if the user has not signed in.
If you have an app like Teams on your phone that can make phone calls, the article explains how an app will add itself to a list of phone accounts that the system can use.
If you are interested in the inner workings of the operating system, then you should read this article.
