https://youtu.be/zn3wtDY50FQ?si=l-7LzlwTlJLvSow9 I also found another video of the same hotel as the one in ‘our hotel burnt down’. You can hear the alarm and the DTMF tone in the background.
https://youtu.be/fFwzVZxCnw4?si=uCVaRPqlnFzVXUjE There’s this one and you can see the strobes flashing at 2:00.