Call Blocking on Android

Call Blocking on Android

My friend was curious how stock phone number blocking worked. We tried it and it was interesting. We both use Signal messaging for secure SMS messaging, so we were able to still send messages to each other.  That was a surprising thing, since we may have thought that it block all access to the number when you blocked it in Android.

The result was that blocked numbers are dead air. A call will go for about a minute and then hang up. We had thought that it would go straight to voicemail, but it did not.

This was a surprise, but I guess it is still better than getting annoying calls.


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