Comment Re:It was an app on a WORK-Issued Phone! (Score 1) 776
"On call" means she's always on the clock and therefore has a billing claim against her employers. At least, that's how it theoretically works in England (RCN V London NHS,
Most likely, she is an "exempt" employee. In this context, "exempt" means that a lot of employee protections don't apply. Specifically, exempt employees normally don't have specific hours of work, so the employer can claim that they are paying her for 24/7 work.