Tbh in the grand scheme of things, this wasn't too much of a big deal either. It was more surreal than anything else.
I got sexually harassed on two occasions via intercom (so I couldn't see who was doing it). The first time it was "hey baby, hey sexy baby", the second time it was more of the same with "I can see your knickers" and "yeah, you, the one smoking a cigarette".
Actually, I'd be lying if I said it didn't upset me, and it was a bit freaky because I couldn't see who was doing it. It stopped the minute after I reported it though - as I said, I think the place I was working for dealt with it excellently.