Plenty of services advertise 24/7 and still send your 2pm overflow to voicemail. Here is what round-the-clock cover has to include to be worth paying for.
"24/7" is the most oversold phrase in the answering-service market. Almost every provider claims it, and most of them mean something narrower than a business owner reasonably assumes. Before you pay for round-the-clock cover, it is worth being precise about which hours you are actually buying — because the gap between the promise and the contract is where missed calls live.
This is a different question from choosing an after-hours service. After-hours cover is about the evenings and weekends. True 24/7 cover has to survive the harder test: your busiest Tuesday afternoon, when three people ring at once and everyone who could answer is already on a call.
Round-the-clock coverage fails in three predictable places, and none of them are the middle of the night. Overnight is the easy part — volume is low and any provider can staff it thinly. The expensive gaps are:
A human answering service solves the overnight problem by rostering someone. It cannot solve the simultaneity problem at all, because the constraint is the number of people holding phones. That is the structural difference worth understanding before you compare prices.
Traditional answering services in Australia typically run on a per-call or per-minute model, often somewhere between $2 and $4 a call once you are past a small included bundle, with after-hours and public holidays loaded on top. The arithmetic is unforgiving: a tradie taking 150 enquiry calls a month can pay more for the answering service than for the van’s fuel, and the bill peaks in exactly the months when work is busiest.
Software-based cover inverts that. An AI receptionist answers an unlimited number of calls, simultaneously, at every hour, for a flat monthly fee — so the cost of your busiest month equals the cost of your quietest one. We break the numbers down properly in what an AI receptionist costs in Australia.
The calls you lose are almost never the ones you know about. They are the second and third caller during a job you were already on.
It would be dishonest to claim software wins everywhere. A complex, emotionally charged or high-value negotiation is better handled by a person who can read the room, and some industries have compliance requirements that make a trained human non-negotiable. A sensible setup uses both: software answers everything instantly and handles the routine 80% — hours, services, pricing, bookings — and hands the rest straight to a human under rules you set.
The point of genuine 24/7 cover is not that a robot answers every call. It is that no caller ever hears an engaged tone or a voicemail beep, whatever the hour and however many of them ring at once.
Start with your own numbers rather than a provider’s. Count the calls that went unanswered last month — your phone bill or mobile log will show them — and multiply by your average job value and your usual conversion rate. Most owners are surprised: the annual figure is usually several times the cost of covering it. The missed-call calculator does that arithmetic for you in about a minute.
AIssie answers every call 24/7 in a natural Australian voice, handles as many at once as arrive, books the job into your calendar and texts you the details — on one flat monthly plan with no per-call fees and no lock-in. You can compare it against the alternatives in AI receptionist vs answering service, see the plans on our pricing page, or start a free trial and listen to how it handles a Saturday night before you spend anything.