13-A Beeps Not Sounding

For cops, when you go down and activate your 13-A, the beep does not go off, nor can I hear others go off. Happened to me twice now and I was watching another cops stream today and saw a 13-A and that one didn't play either

My POV: https://clips.twitch.tv/EnjoyableArborealDinosaurHassanChop-qErYrCdbMWWr6e3f
Other Cop POV From Different Day: https://clips.twitch.tv/GlamorousPleasantArmadillo4Head-qWoTjh0rKaNXE12Y