On-call vs standby

On-call and standby both describe a worker being available to work if needed, with no guarantee they'll be called on. The terms aren't always interchangeable, though, and the difference can affect pay.

The general distinction

Usage varies by industry and business, but a common working distinction is:

• On-call usually means an active obligation. The person must be reachable and able to respond within a set time if called, often as part of a formal on-call roster.
• Standby (as used in rostering, including this glossary's standby pool entry) more often means someone in a ranked reserve for a particular shift. They don't have to be reachable at all times; they know they might be asked to cover a seat on that shift.

In practice businesses use both words loosely, so the obligations matter far more than the label: what response time is expected, whether the person can decline, and whether anything limits what they can do while they're "available".

Pay and the law

In New Zealand, whether time spent "available" counts as an availability provision with pay implications, and whether limits on a person's freedom during that time trigger minimum wage or other entitlements, depends on the facts and on current employment law. The legal detail here matters, and there's rarely a simple yes or no.

This is a general description, not legal or employment advice. If your business asks staff to be on call or on standby, check current guidance from Employment New Zealand (or the equivalent Australian guidance) on availability provisions before setting policy.

In Chronomancer

Chronomancer uses "standby" in the shift-reserve sense: a ranked list held in reserve for a particular night and used for dropout recovery. It isn't an ongoing on-call duty roster. Chronomancer doesn't track or enforce on-call response times; those are for the business and its employment agreements to settle.