VOIP Support & Configuration for Dum Dum

Whether you're upgrading an existing phone system or setting up a new office, COLETEK provides expert Voice Over IP (VOIP) support for businesses in Dum Dum. We design, deploy and support robust VOIP solutions built on open-source platforms.

We Support:

  • Asterisk (custom dialplans, SIP trunking)
  • FreePBX by Schmooze
  • Elastix / AsteriskNOW by Digium
  • Softphones, IP handsets & mobile integration

What We Offer

  • On-premise & cloud-hosted PBX systems
  • VOIP network planning and security hardening
  • Call routing, IVR setup and voicemail-to-email
  • Remote support and maintenance

Our team of Linux experts ensures your VOIP system is secure, scalable, and cost-effective. We support everything from small business setups to multi-site deployments with complex call flows and advanced features.

Want to upgrade your phone system or reduce costs? Talk to our VOIP team today.

VOIP Support and Asterisk Configuration

Open Source VOIP. Powerful. Flexible. Secure.

Servicing Dum Dum, New South Wales, Australia with Innovative Engineering Solutions

As we explore the vibrant community of Dum Dum, New South Wales, Australia, it's clear that local businesses face unique challenges and opportunities. COLETEK is a multidisciplinary Australian engineering and product development company established in 2001, which has earned a reputation for delivering reliable, innovative solutions across various industries. For over two decades, we've been serving businesses across Dum Dum, New South Wales, Australia with our expertise, collaboration, and capability. Our team of engineers and developers work closely with clients to understand their needs, leveraging cutting-edge technologies to develop tailored products and systems that drive growth and success. As an engineering and product development company based in Dum Dum, New South Wales, Australia, we're uniquely positioned to support local businesses, from manufacturers to start-ups, in addressing the specific challenges they face. Our national reputation for trust, reliability, and innovation has earned us a loyal clientele across various sectors. What sets COLETEK apart is our ability to bridge the gap between technical requirements and business objectives. We don't just deliver solutions; we partner with clients to identify opportunities, optimize processes, and drive revenue growth. Whether you're looking to stay ahead of competition or overcome operational hurdles, our engineering expertise and product development capabilities can help. By operating throughout Dum Dum, New South Wales, Australia, as well as nationally, we've developed an intimate understanding of local market needs, cultural nuances, and regulatory requirements. This enables us to develop solutions that not only meet but exceed expectations. At COLETEK, we're committed to empowering businesses across Dum Dum, New South Wales, Australia with the tools, expertise, and support they need to thrive in today's fast-paced landscape. If you're looking for a trusted partner to drive your business forward, let's collaborate to create something remarkable together.

Let’s build something remarkable together.

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VoIP Setup & Support for Dum Dum – Our Clients: Big Brands & Small Businesses


VoIP Setup & Support for Dum Dum – Amazing Customer Testimonials

I have been working closely with COLETEK for the past 6 years now, and I must say, it is a success story :-). I highly respect their team, they are a pleasure to work with and top skilled professionals. In addition to their top Technical service, their customer service is brilliant and it is a rare find. Their PCB repair rework skills are top notch and a rare find in this industry. I have been working in the IT industry for the past 20 years in various fields and seen it all so I can say with certainty that they are the best around and I am looking forward to keep working with them in the future.

I have been working closely with COLETEK for the past 6 years now, and I must say, it is a success story :-). I highly respect their team, they are a pleasure to work with and top skilled professionals. In addition to their top Technical service, their customer service is brilliant and it is a rare find. Their PCB repair rework skills are top notch and a rare find in this industry. I have been working in the IT industry for the past 20 years in various fields and seen it all so I can say with certainty that they are the best around and I am looking forward to keep working with them in the future.