> Here's what does work (in my experience): answer the call, but say nothing, heck, mute your phone mic if you have to. Just give them silence.
I don't get that many spam calls, but what I do when I get one varies from answering and immediately hanging up to doing what you suggested (which usually results in them disconnecting after about 5 seconds). Occasionally, I've done things like answering the call and snapping my fingers in the receiver instead of saying "hello" and that usually results in an immediate disconnect.
I'm not sure if any of those things have affected the volume of spam calls I receive though.
I don't get that many spam calls, but what I do when I get one varies from answering and immediately hanging up to doing what you suggested (which usually results in them disconnecting after about 5 seconds). Occasionally, I've done things like answering the call and snapping my fingers in the receiver instead of saying "hello" and that usually results in an immediate disconnect.
I'm not sure if any of those things have affected the volume of spam calls I receive though.