US/CA US Flag +1 302 486 0000 AUS Australia Flag +61 2 5129 0955 UK UK Flag +44 7828 573520 WhatsApp WhatsApp Icon +44 7828 573520 Login/Signup

Blogs / Article

WhatsApp Voice Calls vs Chat: When to Use Each in UK

CRM Messaging · 6 min read · November 5, 2026

WhatsApp Voice Calls vs Chat: When to Use Each in UK

The Decision Marketing Teams Face in UK

As a Marketing leader in the Hospitality industry, you're constantly looking for ways to improve customer engagement and drive revenue. One crucial decision you face is choosing the right communication channel for your promotional campaigns. In the UK, two popular options are WhatsApp Voice and WhatsApp Chat. Both have their strengths and weaknesses, and understanding the differences is key to making an informed decision.

Option A vs Option B: WhatsApp Voice vs Chat

The main difference between WhatsApp Voice and WhatsApp Chat is the way customers interact with your messages. WhatsApp Chat is a text-based channel, while WhatsApp Voice allows customers to receive voice calls from your business. Here's a comparison to help you understand the key differences:

  • Interaction Type: WhatsApp Voice offers voice calls, while WhatsApp Chat offers text messages
  • Customer Engagement: WhatsApp Voice provides a personal touch, potentially leading to higher engagement
  • Cost: WhatsApp Voice is generally more expensive due to the personal nature of voice calls
  • Delivery Rate: WhatsApp Voice has higher delivery rates due to the personal touch of voice calls
  • PECR Compliance: Both require explicit consent, but WhatsApp Voice has higher consent thresholds

What Real Teams Did

Let's take a look at how some companies have successfully used WhatsApp Voice and WhatsApp Chat for their promotional campaigns.

Premier Inn

#### Objective Premier Inn, a leading hotel chain in the UK, wanted to reduce no-shows and improve customer engagement. #### Channel They used WhatsApp to send personalized reminders and offers to their customers. #### What they did Premier Inn sent reminders to customers who had booked a room, offering exclusive deals. #### Results They reported a significant reduction in no-shows and an increase in customer loyalty. #### Learnings

  • Use WhatsApp to send personalized reminders and offers to improve customer engagement.
  • Ensure explicit consent from customers before sending messages.
  • Monitor delivery rates and adjust your strategy accordingly.

Domino's Pizza

#### Objective Domino's Pizza, a popular food delivery chain, wanted to increase sales and improve customer experience. #### Channel They used WhatsApp to send promotional messages and offers to their customers. #### What they did Domino's Pizza sent text messages to customers with exclusive deals and discounts. #### Results They reported an increase in sales and customer satisfaction. #### Learnings

  • Use WhatsApp to send promotional messages and offers to customers.
  • Ensure explicit consent from customers before sending messages.
  • Use automation workflows to personalize messages and improve customer experience.

British Airways

#### Objective British Airways, a leading airline in the UK, wanted to improve customer experience and reduce support volume. #### Channel They used WhatsApp to send personalized updates and reminders to their customers. #### What they did British Airways sent updates to customers with flight information and exclusive offers. #### Results They reported an improvement in customer satisfaction and a reduction in support volume. #### Learnings

  • Use WhatsApp to send personalized updates and reminders to customers.
  • Ensure explicit consent from customers before sending messages.
  • Use automation workflows to personalize messages and improve customer experience.

Compliance and Cost Trade-Offs

When choosing between WhatsApp Voice and WhatsApp Chat, it's essential to consider compliance and cost trade-offs. In the UK, PECR compliance requires explicit consent from customers before sending promotional messages. WhatsApp Voice requires higher consent thresholds due to the personal nature of voice calls. On the other hand, WhatsApp Chat has lower consent thresholds, but may have lower delivery rates due to text-based messages.

Deliverability and Customer Experience

Deliverability and customer experience are critical factors to consider when choosing between WhatsApp Voice and WhatsApp Chat. WhatsApp Voice has higher delivery rates due to the personal touch of voice calls, but may be more expensive. WhatsApp Chat has lower delivery rates, but is more cost-effective. It's essential to balance deliverability and customer experience with cost and compliance considerations.

When to Pick Each Path for Hospitality

So, when should you choose WhatsApp Voice over WhatsApp Chat for your promotional campaigns? If you want to improve customer engagement and drive revenue through personalized reminders and offers, WhatsApp Voice may be the better choice. However, if you're looking for a more cost-effective solution with lower consent thresholds, WhatsApp Chat may be the way to go.

FAQ

What is PECR compliance?

PECR compliance refers to the UK's Privacy and Electronic Communications Regulations, which require explicit consent from customers before sending promotional messages.

How do I ensure PECR compliance for WhatsApp?

To ensure PECR compliance for WhatsApp, you must obtain explicit consent from customers before sending messages. This can be done through opt-in forms, website notifications, or other explicit consent mechanisms.

What is the cost difference between WhatsApp Voice and WhatsApp Chat?

The cost difference between WhatsApp Voice and WhatsApp Chat varies depending on the provider and the number of messages sent. However, WhatsApp Voice is generally more expensive due to the personal nature of voice calls.

How do I improve deliverability for WhatsApp?

To improve deliverability for WhatsApp, ensure explicit consent from customers, use automation workflows to personalize messages, and monitor delivery rates to adjust your strategy accordingly.

Can I use WhatsApp for customer support?

Yes, WhatsApp can be used for customer support, but it's essential to ensure explicit consent from customers before sending messages.

How do I integrate WhatsApp with my CRM system?

To integrate WhatsApp with your CRM system, use automation workflows to personalize messages, and improve customer experience. You can also use contact fields and owner handoffs to ensure seamless communication with your customers.

Conclusion

In conclusion, choosing between WhatsApp Voice and WhatsApp Chat for your promotional campaigns in the UK requires careful consideration of compliance, cost, deliverability, and customer experience. By understanding the differences between these two channels and using real-world examples as guidance, you can make an informed decision that drives revenue and improves customer engagement.


UK programmes should account for GDPR and PECR around marketing messages. For compliance and setup guidance tailored to your use case, reach out to a CRM Messaging expert.

Start messaging with CRM Messaging

SMS, WhatsApp, Email, and Voice — integrated with your CRM.

Start free trial