Urgent: Phone Agent Issues Causing Dead Air and Call Spam

Good morning, all. We've run into a bit of an urgent situation with our phone agent. It's been working with zero issues for months, but this morning all of a sudden calls are coming in and going to dead air. I've attached a screenshot of a test call I made a minute ago. Even if the caller speaks up and asks the a question after a moment of dead air it is saying that the caller hung up immediately and marking the call as spam. Ali A. Looking for some guidance to get our receptionist back online asap