The call Thursday sent paramedics to Jackson's rented mansion in the Holmby Hills area of Los Angeles.
The paramedics took Jackson to nearby UCLA Medical Center where he died Thursday afternoon.
Listen to the 911 call at TMZ.
The young woman, now 19, testified Friday Justin Ross Harris first contacted her online in 2013 after she posted on the Whisper app that she wanted a relationship like the one depicted in "50 Shades of Grey"
The New Jersey man allegedly walked up to a woman he didn't know in the checkout line and began choking her four-month-old child