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Customer service

A receptionist for the phone or for WhatsApp: which one makes sense for your business

"I need someone to answer my customers" can mean two very different things. For some businesses, the problem is the phone ringing while the owner is with a customer. For others, it's a pile of WhatsApp messages that only get answered at night.

The fix isn't the same for both. Before choosing a receptionist — a person, an answering service or an AI — it's worth finding out where your customers actually reach you.

First: look at the last two weeks

Don't go by impression. Count, for the last two weeks:

  1. Calls — answered and missed.
  2. Messages — WhatsApp, Web Chat, social media inbox.
  3. When they arrived — during working hours, while you were busy, after hours.
  4. What they wanted — book, change a time, ask a price, something that needed a real conversation.
  5. In what language.

That list usually answers the question on its own. If most contacts are calls during the day, the bottleneck is the phone. If most are messages that wait hours for a reply, it's the written channel.

When a phone receptionist makes more sense

A receptionist for calls — a person at the front desk, an answering service, or an AI that answers by voice — is the better fit when:

  • Most of your customers call. Some people prefer to talk, and some situations are easier by voice.
  • Conversations need to happen live, with questions back and forth that don't fit in a few messages.
  • You have customers who don't use messaging apps.

What to keep in mind: a call needs both people available at the same time. If the line is busy or nobody picks up, the customer may try again — or try someone else. And what was said on a call is harder to look back at later than a written conversation.

When a WhatsApp receptionist makes more sense

A receptionist for written messages — on WhatsApp and on a chat on your website — is the better fit when:

  • Your customers already write to you. About a third of adults in the US use WhatsApp, and more than half of Hispanic adults do.[1] If your customers are among them, they're probably already sending you messages.
  • Most questions are short and repetitive: "do you have anything tomorrow?", "how much is it?", "are you open Saturday?".
  • Messages arrive while you're working or after hours. The customer writes when it's convenient for them and gets an answer without having to wait for you to be free.
  • You serve customers in more than one language. A written reply in the customer's language is easier to get right than a call with whoever happens to answer.
  • You want everything recorded. Every conversation stays saved, with the time, the service and what was agreed.

What to keep in mind: an AI receptionist replies in writing, in about 30 seconds — not instantly, and not by voice. It answers based on what you set up (services, prices, hours), and it doesn't replace you in a complaint or a complicated case.

Can you have both?

Yes, and for many businesses that's the most realistic setup:

  • You keep the phone for yourself, for the calls that really need you, and the WhatsApp receptionist takes care of questions and bookings by message.
  • The phone line points to WhatsApp. If someone calls a number that only works on WhatsApp, a short recorded message can ask them to write there. It's a simple way to move repetitive questions to the written channel.

What doesn't work is promising both and having neither covered: a phone that rings unanswered and a WhatsApp that takes a day to reply.

Where rmAgentBooking fits — honestly

rmAgentBooking is a receptionist for written messages: it answers on WhatsApp and Web Chat, day or night, in English, Spanish or Portuguese, checks your real schedule and books the appointment in the same conversation. If we provide the number, calls to it hear a short recorded message asking the customer to write on WhatsApp.

It does not answer phone calls or SMS. If most of your customers call or text by SMS, it isn't the right fit for you yet — and we'd rather say so up front.

Not sure which side you're on? The 2-minute diagnostic asks how your customers reach you and gives an honest answer. To see what she does and doesn't do, read What an AI receptionist does — and what it doesn't, or try her now: chat with Ava, the receptionist of Demo Studio, a sample business.

Sources

  1. Pew Research Center, Social Media Fact Sheet (survey of U.S. adults, February–June 2025) — link ↩
Live demo: chat with Ava