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Powering Connections.

Driving Business Forward.

Welcome to the STM Software Ecosystem — where CallX, Dotcomm and Sentiro Cloud work together to create a connected communication experience for modern businesses.

CallX, Dotcomm and Sentiro Cloud dashboards on screen
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CallX, Dotcomm and Sentiro Cloud dashboards on screen
Unified Experience

One ecosystem. Three powerful solutions. Endless possibilities.

Smarter Together

Built to integrate. Designed to scale. Ready for tomorrow.

Customer First

Better conversations. Stronger relationships.

Secure & Reliable

Enterprise-grade security you can trust.

Always Connected

Anywhere access. Any device. Total freedom.

STM Software Ecosystem

Three Powerful Platforms. One Connected Ecosystem

Our solutions are designed to work together seamlessly, giving your business a unified communication ecosystem that improves efficiency, visibility, and customer experience.

Each platform can also operate as a completely independent solution, allowing businesses to implement only the products they need today while retaining the flexibility to expand into the broader STM ecosystem as their requirements grow.

Supported by VoIP and Fibre infrastructure, the STM ecosystem delivers a complete communication solution from a single trusted partner.

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STM software ecosystem diagram linking CallX, Dotcomm, Sentiro Cloud and VoIP and fibre
Our Software Platforms

Powerful Solutions Built for Modern Business

CallX logo
CallX

Next Generation Call Centre Software

Advanced call centre technology featuring predictive dialling, live monitoring, AI scorecards,
campaign management and advanced reporting.

CallX contact centre dashboard
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Dotcomm messaging icon
Dotcomm

All-in-One Communications Platform

Unify WhatsApp, SMS, Email, Voice and Live Chat into a single customer engagement platform.

Dotcomm
Learn More About Dotcomm
Sentiro Cloud icon
Sentiro Cloud

Your Teams Integrated AI Solution

Cloud PBX technology with Microsoft Teams integration, intelligent routing, AI analytics and enterprise-grade voice management.

Sentiro
Learn More About Sentiro Cloud
Connectivity & Communication Services

The Foundation That Powers Everything

VoIP Solutions

Crystal-clear business voice services with enterprise-grade reliability, flexible deployment and competitive call rates.

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Fibre Connectivity

High-speed, reliable business fibre connectivity delivered through South Africa’s leading network providers.

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Why STM

Local Expertise

Over 15 years of experience supporting South African businesses

Trusted Partner

Hundreds of satisfied customers nationwide.

Scalable Solutions

Built to grow with your business.

Dedicated Support

Real people. Real support. When you need it

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TRUSTED BY BUSINESSES LIKE YOURS

What Our Clients Say

We would love to recommend STM group. They have been so helpful and hands on with helping us set up the system and patience is an understatement. Great communication skill regarding training and they are so fast to respond. Been working allot with Wayne and the team, together they make the experience as smooth as can be, we work together building elements and categories that have benefited our company so far. As a result, I can see this making our lives allot faster, less stressful and easy to manage large volumes of potential clients through there services they provide. Highly recommend STM Communication.
Nikita Basson
Awesome company very helpful and awesome systems in place. The team is always friendly and helpful. They have no problems to react quickly and Professional if there is any trouble shooting the turnaround time on problem solving and errors is excellent. They helped our company a lot with our client service’s and made our admin a lot better to be Professional and handel inquiries.
philip van schalkwyk
stm moved our vodacom franchise into a ‘next” level concerning customer service , not only can we monitor our staff WE can make sure that all out customers is helped/complaints etc. WE AS MANAGEMENT HAVE A TOOL NOW TO MONITOR whats apps / sms e / e mail = all in one place..a must have for any business that is serious about cusotmer service and growth !!
Johannes Van Heerden
At Bester and Rhoodie, we’ve been highly impressed with the exceptional service from STM COMMUNICATIONS .Their team consistently delivers high-quality support and strong commitment to meeting our needs. We confidently recommend them to any business seeking a trustworthy provider with outstanding customer support.
Sonique Engelbrecht
Ready to Transform Your Business Communications?

Let’s build better connections together.

Talk to our team today and discover how the STM ecosystem can help your business grow.

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