Connect Instantly with WhatsApp Voice Calling for Business

Reach customers through WhatsApp voice calls with 85% pick-up rates. Smart routing, call analytics, recording, and automated post-call follow-ups — all from one platform.

Request Demo Install on Shopify
HillTeck WhatsApp voice calling platform for business communication

Our Clients

Empowering 4000+ D2C Brands

HillTeck D2C eCommerce client brand logo 1
HillTeck D2C eCommerce client brand logo 2
HillTeck D2C eCommerce client brand logo 3
HillTeck D2C eCommerce client brand logo 4
HillTeck D2C eCommerce client brand logo 5
HillTeck D2C eCommerce client brand logo 6

Results & Impact

Trusted by 4000+ Brands for WhatsApp Voice Calling

%

Call Pick-Up Rate

+

Brands Trust Us

%

Fewer Missed Calls

x

Faster Resolution

HillTeck's WhatsApp voice calling helps D2C brands achieve 85% call pick-up rates, reduce missed calls by 50%, and resolve customer issues 3x faster.

Enterprise Voice Calling Through WhatsApp

In-app WhatsApp voice calls via Business API - HillTeck

In-App Voice Calls via WhatsApp API

Make and receive voice calls directly through WhatsApp. Customers see your verified business name, building instant trust. Connect with the WhatsApp Business API for seamless calling.

Calls delivered through WhatsApp app with your verified business name and profile displayed.
85% pick-up rate compared to 30% for traditional phone calls from unknown numbers.
Free for customers — no call charges, no special apps, just their regular WhatsApp.
Get Started
Smart WhatsApp call routing with IVR menus - HillTeck

Smart Call Routing & IVR

Route calls to the right agent or department automatically. IVR menus let customers self-select their issue type for faster resolution. Automate flows with WhatsApp automation.

IVR menus that let customers choose their department or issue type before connecting.
Skills-based routing that matches customers with the most qualified available agent.
Overflow and backup routing to ensure no call goes unanswered during peak hours.
Get Started
WhatsApp call analytics recording and performance tracking - HillTeck

Call Analytics & Recording

Track every call with detailed analytics. Record conversations for quality assurance and training. Manage all data in your WhatsApp CRM.

Call recording for quality assurance, training, and dispute resolution purposes.
Analytics dashboard with call volume, duration, resolution rate, and agent performance metrics.
Call disposition codes and notes that sync directly to customer profiles in your CRM.
Get Started
Automated post-call WhatsApp follow-up messages - HillTeck

Automated Post-Call Follow-Ups

Never let a conversation end without next steps. Automatically send follow-up messages after every call. Drive engagement with WhatsApp marketing.

Automated WhatsApp message after every call with summary, next steps, or feedback request.
CSAT surveys sent immediately after call resolution to measure customer satisfaction.
Trigger different follow-up flows based on call outcome — resolved, escalated, or missed.
Get Started

How It Works

Start WhatsApp Voice Calling in 4 Simple Steps

1

Customer Initiates Call

A customer calls your business through WhatsApp, seeing your verified business name and profile.

2

Smart IVR Routes the Call

The IVR menu helps route the call to the right department or agent based on the customer's selection.

3

Agent Resolves the Issue

The assigned agent handles the call with full customer context from the CRM displayed on screen.

4

Post-Call Follow-Up

An automated WhatsApp message is sent with call summary, next steps, and a feedback request.

Testimonials

Don't take our word
See what they say

Mokobara testimonial - RTO reduction with HillTeck Voice AI and WhatsApp automation
This app has been an excellent addition to our workflow, especially with its seamless WhatsApp integration.It has played a major role in reducing our RTO rates and has also helped us save a considerable amount of calling time. Overall, it has made our order management process far more efficient and smooth.
Mokobara
❮
❯
DrTrust testimonial - COD verification and IVR automation with HillTeck
Hillteck is an amazing tool for managing COD and customer communication. It’s simple, reliable, and has helped us reduce RTO significantly. The WhatsApp and IVR automation work perfectly. Highly recommended for any D2C brand.
Drtrust
❮
❯
BeachBum testimonial - COD order verification with HillTeck
Hillteck is an outstanding app for COD order verification! It has drastically reduced the time I spend verifying orders and made my workflow far more efficient. Special thanks to Abhishek for his excellent support and seamless setup assistance. Great work by him and the entire team — I highly recommend this app to everyone!
BeachBum
❮
❯
Dermabay testimonial - COD verification and abandoned cart recovery with HillTeck
We’ve been using Hillteck for a long time for COD Verification and Abandoned Cart Recovery, and it has been incredibly helpful in both. The COD to Prepaid feature is also excellent — highly recommended!
Dermabay
❮
❯
MARS Cosmetics testimonial - COD order management with HillTeck
Very useful product! I’m sure it has helped me save a lot, especially with my high volume of COD orders.
MARS Cosmetics
❮
❯
Karagiri testimonial - automated COD confirmation calls with HillTeck Voice AI
Fantastic app by Hillteck — incredibly simple, easy to set up, and highly accurate in performance! More than 80% of my COD customers instantly confirm their orders through the automated calls, which has made my workflow much smoother and more reliable. This level of efficiency has genuinely improved how we manage COD orders.
Karagiri
❮
❯

Frequently Asked Questions

WhatsApp voice calling uses the WhatsApp Business API to make and receive voice calls directly through the WhatsApp app. Customers get calls from your verified business number, resulting in 85% pick-up rates compared to traditional phone calls.

Yes. WhatsApp voice calls are delivered through the app, show your business name and profile, and don’t cost the customer anything. This leads to significantly higher pick-up rates and trust compared to unknown phone numbers.

Yes. HillTeck provides smart call routing with IVR menus. Calls are automatically routed to the right department or agent based on customer selection, language, or issue type.

Yes. HillTeck offers call recording and analytics. Review call recordings, track call duration, resolution rates, and agent performance to continuously improve your support quality.

HillTeck automates post-call follow-ups. After each call, customers receive a WhatsApp message with a summary, feedback request, or next steps — ensuring no conversation falls through the cracks.

No. Customers just need the standard WhatsApp app on their phone. There’s no additional installation, no special app, and no extra cost for receiving business voice calls.