By Gravun Team · Published October 1, 2026 · Last updated October 1, 2026.

How to Stop Missing Customer Calls and Messages

Short answer: To stop missing customer calls and messages, put everything on one business number and one shared inbox, give every new call or message a named owner, and decide what happens when nobody can pick up: a text back, an answering service or an AI receptionist. Then track answer rate and time to first reply every week.

Key points

• Most missed calls and messages come from four causes: too many channels, personal cell phones, after-hours gaps, and no clear owner for the reply.
• You can estimate what a missed call costs your business with a simple formula. Use your own numbers, not someone else's.
• There are six common fixes, from voicemail to an AI receptionist. Most businesses need two or three together.
• Texting customers has rules. Marketing texts need consent in both the US and Canada, and US business texting needs carrier registration.
• Measure three things: answer rate, time to first reply, and callbacks owed.

Why does my business keep missing calls and messages?

Businesses miss calls and messages because customers reach out in more places than anyone is watching, and because no one person is responsible for the reply. It is a setup problem, and setup problems can be fixed. There are four common causes.

Too many channels. A customer can call, text, email, fill in a website form, use website chat, or message you on social media. Each one lands in a different app, and nobody checks them all.

Personal cell phones. When customers have an employee's cell number, the conversation lives on that one phone. If that person is on a job, on vacation, or leaves the company, the message goes nowhere.

After hours. Customers often look for help in the evening or on the weekend. If your phone goes to voicemail at 5:01 pm, they get no answer until the next morning at best.

No owner for the reply. Three people see the same message and each assumes one of the others will handle it. Nobody does.

How much does a missed call cost my business?

A missed call costs you the value of the work that caller would have given you, multiplied by the chance they would have booked and the chance they never reach you again. Work it out with your own numbers, not a figure from an article.

Here is the formula:

Weekly cost of missed calls = missed calls per week × share that are new customers × share you never reach later × share that would have booked × average value of a job

Your phone system's call log gives you missed calls. Numbers that are not in your contact list are likely new customers. Use your normal close rate and your average first invoice for the last two.

A worked example (example numbers only)

The numbers below are made up to show the math. They are not industry statistics.

In this example, ten missed calls a week adds up to about $12,000 a year in first jobs alone, before any repeat work. Your result could be much higher or lower. Either way, it tells you how much you can sensibly spend on a fix. If your number is small, a better voicemail greeting may be enough. If it is large, a paid answering option can pay for itself.

What are my options for handling calls I can't answer?

You have six common options: voicemail, call forwarding to a cell phone, a human answering service, an AI receptionist, a shared team inbox, and missed-call text-back. Each solves a different part of the problem.

We have not listed prices for answering services or AI receptionist products because they change often and differ between plans. Check each vendor's own pricing page.

Should I use an AI receptionist or an answering service?

Use a human answering service when your calls are complex or emotional and callers expect a person. Use an AI receptionist when most calls are routine, such as booking, hours and basic questions, and you want every call answered at any hour with a written record. Many businesses use both.

• A human service is good at judgment. A trained person can calm an upset caller and notice when something does not fit the script. The trade-off is that the agent only knows what your script covers.
• An AI receptionist is good at coverage. It picks up at 2 am the same way it does at 2 pm, takes several calls at once, and writes down what was said. The trade-off is that it handles the unexpected less well, so test it with real call types first.
• Either one needs a handoff. Decide what counts as urgent, who gets told, and how fast.

To choose, list your last 30 calls and mark each one "routine" or "needs a person". If most are routine, start with an AI receptionist and a clear path to a human. It is also good practice to tell callers when they are speaking with an automated assistant.

What is a shared inbox and do I need one?

A shared inbox is one screen where your whole team can see and answer customer messages from every channel, such as text, email and website chat, with each conversation assigned to a person. You need one as soon as more than one person talks to customers, or as soon as you use more than one channel.

A shared inbox fixes three things:

• Visibility. If someone is off sick, a teammate can pick up the thread and see the full history.
• Ownership. Each conversation has a name on it.
• Continuity. When an employee leaves, the conversations stay with the business.

It does not answer the phone, and it does not reply on its own.

How do I set up one business number and one inbox?

Set it up in this order: pick one number, move every channel into one inbox, assign owners, write your after-hours plan, then test it.

1. List every way customers reach you today. Include every phone number, email address, form, chat and social account, and any personal cell phones customers use.
2. Choose one business number. Keep your best-known number if you can and move it to a business phone system.
3. Take personal cell numbers out of circulation. Update your website, listings, email signatures, invoices and vehicles.
4. Connect every written channel to one inbox. Business texts, the main email address, website forms and website chat.
5. Set the ringing order. Decide who rings first, who rings second, and what happens after that: text-back, an answering service or an AI receptionist.
6. Give every conversation an owner. For example, new inquiries go to the office manager and existing jobs go to whoever is assigned to the job.
7. Write short saved replies. Cover the ten questions you get most.
8. Write the after-hours plan. See the section below.
9. Test it as a customer. Call during the day, call at night, send a text, send a form. Time how long a real answer takes.
10. Review weekly. Fix one thing each week.

How fast should I reply to customers?

As suggested practice, aim to answer calls live during business hours and to send a first reply to written messages within minutes, not hours. These targets are a starting point, not an industry rule.

The first reply does not need to solve everything. "Thanks, we got your message. Sam will call you before 3 pm today" is a good first reply, if Sam then calls.

What are the rules for texting customers?

In general, you need the customer's consent before you send marketing texts, you must make it easy to opt out, and in the US your business texting number must be registered with the carriers. This section is general information, not legal advice. Check with a lawyer or compliance professional about your own situation.

United States: the TCPA. The Telephone Consumer Protection Act and the FCC's rules restrict telemarketing calls and the use of automatic dialing systems and artificial or prerecorded voices. The FCC's rule at 47 CFR 64.1200 requires "prior express written consent" for advertising or telemarketing calls made that way to wireless numbers. The same section applies these consent rules to text messages, and says a person can revoke consent by replying with words such as "stop". That consent is a signed written agreement that clearly authorizes those messages to a specific phone number.

Canada: CASL. Canada's anti-spam legislation covers commercial electronic messages, including SMS to mobile phones, according to the CRTC's guidance. The CRTC lists three main requirements: obtain consent, provide identification information, and provide an unsubscribe mechanism. Express consent must be collected by opt-in, and a pre-checked box does not count. The CRTC states that the maximum penalty per violation is $1 million for an individual and $10 million for a business.

US carriers: 10DLC registration. 10DLC means texting customers from a normal 10-digit phone number through software. The Campaign Registry describes 10DLC as a channel in which brands and their messaging providers are verified before they are allowed to send, and says businesses register through a registered messaging provider. Twilio's documentation, as one provider's example, says anyone sending texts from an application to the US over a 10DLC number must register, and that unregistered traffic faces extra carrier fees. Your phone or texting provider usually handles the registration with you.

Industry practice. CTIA, the US wireless industry association, publishes voluntary Messaging Principles and Best Practices. They say businesses should get express written consent for marketing messages and honor opt-out requests such as STOP.

In practice: ask for permission to text and keep a record of it, say who you are, include a simple way to opt out, and honor it right away.

What should happen to calls and messages after hours?

After hours, every caller should get an answer of some kind, urgent issues should reach a person, and everything else should be waiting in one list for the morning.

1. Define urgent. Write a short list of what counts as an emergency for your business.
2. Choose who answers. A rotating on-call person, a human answering service, an AI receptionist, or voicemail plus a text back.
3. Set the handoff. Urgent calls page the on-call person. Everything else becomes a callback with the caller's name, number and reason.
4. Tell customers the truth. Your greeting should say when they will hear back. Then keep that promise.

How do I measure whether it is working?

Track three numbers every week: answer rate, time to first reply, and callbacks owed.

How does Gravun handle calls and messages?

Gravun puts your calls, texts, emails and website chats in one app, with the customer's record beside every conversation. Gravun is the business operating system for any kind of business, made by Gravun Inc. in Toronto. It runs on web, iPhone and Android. The parts that matter here are:

• One inbox for every text, email and website chat. The whole team sees the same conversations.
• A business phone line with call recordings and summaries. Calls go through the business, not personal cell phones.
• Callbacks. People who are owed a call sit in one list.
• Gavin, "your AI operator". Gavin can answer calls as a receptionist and do tasks you ask for.
• Gravun Relay (team chat). Use it to hand a conversation to a teammate with the context attached.

Because Gravun also holds your contacts, estimates, jobs, scheduling and invoices, the person replying can see what is booked and what is owed. See the full list on the platform page.

On price, as shown on gravun.com on 1 October 2026: Starter is $25 per user per month. Two-way texting, email and calling start on Professional at $59 per user per month, which includes up to 2,500 text messages and up to 500 calling minutes a month. Scale is $99 per user per month, with up to 10,000 text messages and up to 2,000 calling minutes. Details are on the pricing page.

Who Gravun fits. Businesses of any kind that want their phone, inbox and customer records in one place, with one login and one bill. Trades and home services are a strong fit.

Who it may not fit. Gravun is not an answering service with live human agents. If you only need a phone system, a standalone phone product may be simpler. Gravun is also new, launching in 2026, so weigh that if you need a long track record. See the compare page.

Frequently asked questions

How do I stop missing calls at my business?

Use one business number, set a ringing order so a second person rings if the first does not answer, and decide what happens when nobody picks up. That fallback can be a text back, an answering service or an AI receptionist. Check your missed-call log every week.

What is a shared inbox?

A shared inbox is one place where a team sees and answers customer messages from several channels, such as text, email and website chat. Each conversation is assigned to one person.

What is missed-call text-back?

Missed-call text-back is an automatic text sent to a caller when you do not answer. It keeps the caller engaged until you can reply. It only works on mobile numbers and must follow texting rules.

Is an AI receptionist better than an answering service?

Neither is better for everyone. An AI receptionist suits routine calls, after-hours coverage and busy periods. A human answering service suits complex or emotional calls where callers expect a person.

How much does a missed call cost a small business?

It depends on your business. Multiply missed calls per week by the share that are new customers, the share you never reach later, your close rate and your average job value. Our made-up example came to about $12,000 a year, but yours could be much higher or lower.

Do I need permission to text my customers?

For marketing texts, yes, in general. US rules under the TCPA require prior express written consent for telemarketing texts sent with an automatic dialing system, and Canada's CASL requires consent, identification and an unsubscribe option for commercial messages. This is general information, so check with a legal professional about your own case.

What is 10DLC registration?

10DLC is the US carriers' system for business texting from regular 10-digit numbers. Your business and message types are verified before you send. Your phone or texting provider normally handles the registration.

What should I do about calls after hours?

Decide what counts as urgent, choose who or what answers, and turn non-urgent calls into callbacks for the morning. Tell callers honestly when they will hear back.

Start with one number and one inbox

You do not need new software to begin. List your channels, pick one number, name an owner for every reply, and measure your answer rate for two weeks.

If you want the phone line, the inbox, callbacks and an AI receptionist in the same app as your customers, jobs and invoices, try Gravun. Start the 14-day free trial at gravun.com/free-trial. No credit card, and you can cancel anytime.

Sources

All sources checked on 1 October 2026.

• US Code of Federal Regulations, 47 CFR 64.1200, "Delivery restrictions" (FCC rules under the TCPA): https://www.ecfr.gov/current/title-47/chapter-I/subchapter-B/part-64/subpart-L/section-64.1200
• Federal Communications Commission, "Telemarketing and Robocalls": https://www.fcc.gov/general/telemarketing-and-robocalls
• Canadian Radio-television and Telecommunications Commission, "Frequently Asked Questions about Canada's Anti-Spam Legislation": https://crtc.gc.ca/eng/com500/faq500.htm
• The Campaign Registry (10DLC registration): https://www.campaignregistry.com/
• Twilio documentation, "A2P 10DLC": https://www.twilio.com/docs/messaging/compliance/a2p-10dlc
• CTIA, "Messaging Principles and Best Practices" (May 2023): https://api.ctia.org/wp-content/uploads/2023/05/230523-CTIA-Messaging-Principles-and-Best-Practices-FINAL.pdf