For me, crisis means the desire to act on SI or SUI thoughts. Another type of crisis I've been in was when there was DV. I have only had one crisis session. It was with current T. I had a complete break down and she was being cold and distant. I had to stay for another session because it wasn't safe for me to go back home alone. That extra hour gave me time to talk about everything and calm down a little. We talked about what upset me and how I felt she wasn't supportive.
I've also had crisis phone calls. Only one time was it at night and that was because ex-T forgot to shut off her phone. Normally the conversations last about 15mins. It simply consists of them providing support and reassurance.
And ex-T did call the cops on me 3 times