Silence Unknown Callers in iPadOS?

I have Silence Unknown Callers enabled on my iPhone, and it works pretty much as advertised. Except, calls from unknown callers still ring through to my iPad, and there doesn’t seem to be any way to enable this feature in iPadOS settings. Is this just a bug? It seems like iPadOS should respect the setting on my phone without me having to enable it on both devices, especially when there is no way to enable it on the iPad.