- Customers forget half of a call within hours; a WhatsApp message straight afterwards secures the location, the offer and the next step.
- In Klamna you set, per extension, an automatic WhatsApp message after outbound calls: after answered calls only or after every call.
- You set a minimum call length so a few-second call does not trigger it, and a cooldown so the same customer is not messaged repeatedly.
- The message comes from the company's official WhatsApp number, is saved on the customer record, and replies go to the same rep.
A rep makes a great call: the customer is interested, asks for the location and wants to see the floor plans. The rep says "Sure, I'll send everything on WhatsApp". Then the phone rings again, and again, the day gets busy, and the message goes out at night, or never. And the customer? They forgot the company's name.
This happens every day in sales teams, especially in real estate, cars, education and services. The fix is not reminding reps harder; it is making the message go out automatically after the call. This article explains why WhatsApp follow-up after a call lifts closing rates, and how to set it up smartly without annoying customers.
The best part is that you set it up once per extension, and from then on it runs by itself after every call, with no need for the rep to remember or the supervisor to chase.
Why WhatsApp after the call?
A call is strong for building trust and understanding needs, but weak at "documentation". The customer cannot replay a call to check an address, a price or the rep's name. WhatsApp fills that gap:
- It fixes the information: location, brochure link, rep name and visit time are all in writing.
- It saves the company number: the message comes from the official company number, giving the customer a clear reference.
- It opens an easy channel: many customers prefer to continue in writing rather than take another call.
- It arrives fast: a message that lands within a minute of the call is read while the customer is still engaged.
- It sets you apart: a customer who spoke to three companies usually remembers the one that sent clear information first.
How "WhatsApp after the call" works in Klamna
The feature is set at extension level, so each rep or department has a suitable message. When an outbound call from the extension ends, the system sends the customer a WhatsApp message automatically according to the settings:
| Setting | What it controls | Example |
|---|---|---|
| When to send | After answered calls only, or after every outbound call | Sales: answered only. Follow-up: every call |
| Minimum call length | No message if the call is shorter than a set time | Skip calls under 20 seconds |
| Cooldown | The same customer is not messaged again within a set period | Once every 24 hours |
| Message type | An approved WhatsApp template or text | A "thanks for your time" template with the location link |
| WhatsApp number | The channel the message goes out from | The official sales number |
The message is saved on the customer's CRM record next to the call, and if the customer replies, the reply goes to their owner (the rep) in the inbox. Details on the WhatsApp after a call page.
Example messages by industry
A good message is short, personal and has one clear next step. Here are examples to build your templates on:
| Industry | Example message |
|---|---|
| Real estate | "Hello {name}, this is {rep} from {company}. Here is the project location and the brochure for the units we discussed. When would suit you for a viewing?" |
| Car showrooms | "Thanks for your time, {name}. Here are the car's specifications and the showroom location. We'd be happy to welcome you for a test drive." |
| Education and training | "Hello {name}, here is the programme link and start dates. Reply to this message with any question." |
| B2B services | "It was great speaking with you. Here is our company profile; we will send the quotation within one working day." |
| Clinics | "Thanks for calling. Here is the clinic location and booking link; we look forward to seeing you." |
Controls that prevent spam and protect your number
An automatic message cuts both ways: sent at the wrong time or repeated, it annoys the customer, who may report it, and your number's quality rating with Meta drops. That is why the controls matter:
- Minimum call length: a call of a few seconds is usually a wrong number or a hang-up. Do not message it.
- Cooldown: if a rep calls the same customer three times a day, the message goes out once.
- Answered only for sales: messaging someone who did not answer can help in follow-ups, but on cold calls it may annoy. Choose per case.
- Useful content: a message with information the customer needs, not a generic advert.
- Honour opt-outs: a customer who asked not to be contacted must be respected.
For more on messaging without bans, see our guide to bulk WhatsApp messages without bans.
Answered only or every call? Three scenarios
This is the question that puzzles teams most during setup, and the answer depends on your relationship with the customer:
- Cold sales calls: the customer does not know you yet. Send after answered calls only, because a message from a company they never spoke to can feel like spam.
- Following up a customer who asked to be called: they filled a form or asked for a quote. Here a message after every call helps, even if they did not answer: "We tried to call you about your request; when suits you?".
- Collections and reminders: a message after every attempt documents that the company made contact and gives the customer an easy way to reply in writing.
You can use different settings per extension: new-sales reps with one setting, the follow-up team with another.
Follow-up is a journey, not one message
The message after the call is the first step in a follow-up journey. The ideal journey for most sales teams looks like this:
| Timing | Step | Who does it |
|---|---|---|
| Right after the call | Thank-you message with location or brochure | Automatic from the extension |
| Same day | Answer the customer's questions on WhatsApp | The rep who owns the customer |
| Two or three days later | Follow-up for non-responders: an offer or new information | WhatsApp campaign or follow-up call |
| Before the meeting | Visit or meeting reminder | Automatic appointment reminder |
| After closing | Thank-you and satisfaction survey | Automatic |
With the dialer: automatic follow-up for hundreds of calls
The value multiplies with the predictive dialer. When the team calls large lists (ad leads, renewal campaigns, order follow-ups), every answered call is followed by an automatic WhatsApp message with the information. The rep focuses on the next call and the system handles the written follow-up.
You can extend the follow-up further: a WhatsApp campaign a few days later for customers who did not respond, an AI follow-up call, or a reminder before the viewing. All start from the same CRM customer list.
Setup in 15 minutes
- Prepare the company WhatsApp number on the official WhatsApp API if it is not ready.
- Write the template and submit it to Meta: a short thank-you with variables (customer name, rep name) and a link or file.
- Open the extension settings and enable WhatsApp after the call.
- Choose when to send: answered only or every call.
- Set the minimum length and cooldown that fit your work.
- Test with a call to your own number and check the message arrives correctly.
- Roll out to other extensions, adjusting the message per department.
How to measure the impact on sales
Do not rely on gut feeling; compare before and after:
- WhatsApp reply rate: how many customers replied to the follow-up? That is a strong sign of interest.
- Moving to the next stage: how many booked a visit or asked for a quote after the call?
- Time to close: did the time between first call and deal shrink?
- Rep comparison: enable it for half the team for two weeks and compare with the other half.
All these figures come from Klamna reports and the report builder.
Remember that the goal is not the number of messages; it is the number of deals.
Common mistakes
- A long message: customers read the first two lines; put what matters first.
- No rep name: the customer needs to know who called in order to reply.
- One message for every department: sales, collections and support need different messages.
- Sending after every call with no minimum: customers receive messages after calls that never really happened.
- Forgetting the human follow-up: the automatic message opens the door, but the rep must continue when the customer replies.
Want a higher closing rate without more work for your reps? Talk to us and we will set up the messages and templates, or sign up, build your own package and see the price before you pay.
FAQ
Does it work for inbound calls?
The feature is designed for outbound calls from the extension, which suits sales and follow-up best. For inbound calls you can send from the customer record in one click.
Can I send a PDF or image?
Yes. The template can include a link, file or image depending on the approved template type.
Does the message come from the rep's number?
No. It comes from the company's official WhatsApp number, and replies reach the rep in the inbox, so the customer stays with the company.
What happens when the customer replies?
The reply opens a conversation in the inbox and goes to the customer owner, who can continue freely within 24 hours.
Can I stop it for a specific customer?
Yes. Customers who opted out receive no messages, and the cooldown prevents repeats.
End every sales call with a message that sets up the next step. Book a demo or WhatsApp us on 966920031338.