OK, again, I saw that, but For this phone, I don't want it disabled, I want it to work.
Why when I get a call to the office (Receptionist Group), and then transfer to this phone, who's only user is that person, when he hangs up, does it show "1 missed call". Seems like a bug to me. It should only show when I/The Attendant transfer a call to him and he misses that call.