Short answer
All of them at once. There is no single line to be busy on and no hold queue, so sixty people calling the morning after a hailstorm get sixty conversations. This is the one thing no human answering service can match at any price.
Phone systems answer in sequence. Caller one talks, callers two through ten wait on hold, and most of them hang up inside a minute because a person with a burst pipe does not hold. Adding lines and adding staff both hit a ceiling, and the ceiling always arrives on your busiest day.
The trades this serves have their year concentrated into a few of those days. Hail comes through on a Tuesday. The first hard freeze arrives overnight. The August heatwave breaks a hundred compressors in a week. Those are the days the phone decides your quarter.
It also removes the ordinary version of the same problem: the call that comes in while you are already on a call. That happens every day in every shop, and it is invisible for the same reason all of this is invisible. Nobody logs the call that got a busy signal.
Settle it in ninety seconds
Call the demo line and talk to the agent yourself. It is the same system that would answer your phone, running live, and it will tell you it is AI if you ask it.
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