Journal
The cost of a missed call, reasoned out without the scary statistics
Skip the industry numbers. Here is how to work out what an unanswered phone costs your own business, using figures you already know.
The Vestibo team4 min read
Every company selling phone software has a statistic about missed calls. Most of them are borrowed, some are invented, and none of them were measured at your business. You do not need them. You can work out what a missed call costs you with numbers you already have, and the answer will be more useful because it is yours.
This article walks through that reasoning. It is deliberately free of percentages.
What "missed" actually means
A missed call is not a lost message. Many callers who reach voicemail hang up without leaving one, and the ones who do have already started thinking about who else to ring. So the honest definition is this: a missed call is a person who wanted something from you at a moment you could not respond, and who now has a reason to look elsewhere.
Some of those people call back. Some book with the next name on the list. Some were never going to buy. The point of the exercise is not to pretend every missed call is a lost sale. It is to see that the cost is not zero, and to put your own number on it.
Three figures you already know
Take a piece of paper and write down:
- What a typical new customer is worth to you. Not the lifetime value from a marketing deck. The first job, the first visit, the first order. If a first appointment at your place is a hundred dollars, write a hundred.
- How many calls you miss in a normal week. Look at your phone's missed-call list for the last two weeks and count. Include the ones after hours. Most owners are surprised.
- Roughly what share of your inbound calls are new customers rather than existing ones. You know this from experience. A rough fraction is fine.
Now multiply. Missed calls per week, times the fraction that were new, times what a first job is worth. That is your weekly number, assuming every one of those new callers went elsewhere. It will not be exact. Halve it if you want to be conservative. Even halved, for most small businesses it is more than the cost of covering the phone.
The costs that do not show up in the arithmetic
The multiplication captures the direct loss. A few costs sit outside it:
The call you return too late. You call back at 5:30. They booked with someone else at 2. You have spent your time and theirs, and gained nothing.
The customer you already have. Existing customers who cannot reach you do not always leave, but they remember. A cancelled appointment that nobody could rebook, a question about an invoice that went unanswered for a day. None of these show up as a lost sale. They show up later, as a review or a quiet departure.
Your own attention. If you answer every call yourself, each one interrupts the paid work you were doing. If you let them ring, you spend the evening on callbacks. Either way, the phone is taxing the hours you sell.
After-hours callers. People often ring when they are free, which is often when you are closed. That caller was not being difficult. They were fitting you into their day. A closed line tells them you cannot be fitted in.
What answering actually changes
It is tempting to conclude that a receptionist, human or otherwise, recovers all of that. It does not. What answering the phone does is narrower and more honest:
- The caller gets an answer to the question they rang with, so the call is not wasted for either of you.
- If they wanted to book, they can, at a real time that is free, with the time read back and confirmed.
- If they need you personally, they get put through, or you get their name and number at once rather than a missed-call notification with no context.
- You find out the call happened, and what was said, because there is a transcript.
That last point is worth more than it sounds. A missed call tells you nothing except a number. An answered call tells you what people want from you, which is the cheapest market research you will ever get.
Working out whether coverage pays
You now have two numbers: what missed calls plausibly cost you each week, and what covering the phone would cost. For a person, that is wages for the hours you want covered. For software, it is a plan price, which you can read on any vendor's pricing page and which we will not repeat here, because prices change and an article should not.
Compare them over a month. If the coverage costs less than a conservative estimate of what you are losing, the decision makes itself. If it costs more, you have learned something too: your phone is not your bottleneck, and your money belongs elsewhere.
Either way, you decided with your own figures.
A caution about the arithmetic
Be honest with the inputs. If you count every missed call as a new customer, the number will flatter any purchase. If you assume nobody ever calls back, same thing. The exercise is only useful if the answer can come out "no".
And check it again in three months. Once the phone is answered, you will have transcripts and a weekly summary, and you can replace the estimate with what actually happened: how many calls came in after hours, how many booked, how many asked for you. That is the only missed-call statistic worth quoting, because it is measured at your business, not borrowed from someone else's.