VOIP Support & Configuration for NSW

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 NSW. 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.

Trusted Engineering and Product Development Partner for New South Wales, Australia

As the sun rises over the iconic Sydney Opera House, COLETEK sets out to empower businesses in New South Wales, Australia with our expertise in engineering and product development. With a reputation built on reliability, collaboration, and capability, we've established ourselves as a trusted national partner since 2001. Operating throughout New South Wales, Australia, we're dedicated to serving businesses that strive for excellence. Our multidisciplinary team of engineers and experts works closely with clients to deliver innovative solutions that meet the unique needs of each project. Whether you're based in Sydney, Melbourne, or anywhere across this beautiful state, rest assured that COLETEK is committed to helping your business thrive. At COLETEK, we understand the importance of building strong relationships with our customers. That's why we prioritize open communication, active listening, and a collaborative approach to ensure seamless project execution. Our engineers are always up-for-a-challenge and committed to delivering high-quality outcomes that meet the diverse needs of businesses in New South Wales, Australia. Throughout our 20+ years of operation, COLETEK has earned a reputation for its people-orientated culture, strong project management, and ability to turn complex ideas into reality. Our trusted national presence is just as important as our local focus, ensuring that we're accessible and responsive to businesses across New South Wales, Australia. If you're looking for a partner who can elevate your business through innovative engineering and product development solutions, look no further than COLETEK. We're confident in our ability to deliver exceptional results that meet the unique needs of businesses like yours in New South Wales, Australia.

Let’s build something remarkable together.

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


VoIP Setup & Support for NSW – 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.