When you should hire people instead
We sell software, so treat this with appropriate suspicion — then read it anyway, because selling it to the wrong business helps nobody. There are situations where a human answering service is clearly the better purchase, and they are not edge cases.
Your callers are frequently distressed
Veterinary emergencies, bereavement services, anything medical or legal where people ring in a bad moment. These calls are mostly not information problems — somebody needs to feel heard by a person who understands what has happened. Software handles the booking around them competently and cannot do the part that actually matters.
Every call is different
Some businesses genuinely have no repeatable calls: bespoke work, complex commercial arrangements, situations where the caller cannot describe what they need without a conversation. The value of software rises with repetition, so where there is none, it has very little to offer.
The other three
Chasing, following up, ringing a list. That is a different job from answering, and people do it far better.
Not that they cannot use it — many do, comfortably — but where a personal relationship with a voice is part of what you are providing, do not replace it.
Three calls a week does not justify setting anything up. A diverted mobile and a bit of discipline is the right answer, and it is free.
What we would say for ourselves
The honest case is repetition, hours and booking. If a large share of your calls are the same handful of questions, if they arrive when nobody is there, and if the outcome you want is an appointment in a calendar rather than a message in an inbox, then software does that better and considerably cheaper. Outside those conditions the argument weakens fast, and any provider who will not tell you where is not worth listening to on anything else.
Frequently asked
When callers are frequently distressed, when every call is genuinely different, when you need outbound calling too, when a personal voice is part of what you sell, or when your volume is tiny.
Because selling software to a business it does not suit helps nobody, and a provider who claims to suit everyone has either not thought about it or is willing to sell you the wrong thing.
Repetition, hours, and booking. Many similar calls, arriving when nobody is there, where the outcome you want is an appointment rather than a message.
Three calls a week does not justify setting anything up. Divert your mobile and be disciplined about answering it.