You know, even if she did not "hear" her, she didn't Listen. Some of the biggest emergencies are "silent" and the call plus silence should be a huge red flag.

I don't care if they have to deal with the pranks of kids or the use of 911 i as a manipulative ploy between a fighting couple. If there is technolgy that would heighten volume--fine. But first and foremost, 911 is our gateway to help and in a grocery store, that door was locked at the greatest moment of vulnerability, The silence screamed. She must be held accountable and the system must be forced to upgrade. For example, why would it not be possible to have a stress reading on the calls.