I've had a bad run with this recently.
Every one of my last dozen or so visits to your hotel incall has had someone repeatedly banging on the door ten minutes after we get busy, ten minutes before my time expires, OR BOTH!
Sometimes you say it's your security (you've told me so). Sometimes you say your travel partner came back early. Other times you claim innocence, looking just as shocked and annoyed as me, yet refuse to let me tell them to go the fuck away, "hey, man, I'm trying to sleep in here, knock it off!"
Last weekend someone knocked repeatedly throughout the entire session. You suggested it was your next appointment who had arrived 45 minutes early, but with the standard two-call system you used with me, how the hell did he know your room number?
... and when they knock on the door THEN light up your phone, I'm pretty sure at that point you're managed and I won't be back. You probably don't care if you see me again, but if I review you, I will mention this annoyance so other guys are informed before they visit you.