VOIP Support & Configuration for Great Marlow

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 Great Marlow. 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.

A trusted partner for businesses in Great Marlow, New South Wales, Australia.

At COLETEK, we take pride in being a multidisciplinary Australian engineering and product development company established in 2001. With years of experience, innovation, and national reputation, we're proud to serve businesses across Great Marlow, New South Wales, Australia and throughout the country. Based in Great Marlow, New South Wales, Australia, our team is committed to collaborating with local organizations like yours to build reliable, effective, and innovative solutions that meet your unique needs. Whether you're a start-up or an established business, we understand the importance of partnering with a trusted provider who can deliver on-time, within budget, and with exceptional results. As a locally anchored company operating throughout Australia, including in Great Marlow, New South Wales, Australia, we take pride in our extensive knowledge of regional industries, markets, and regulatory requirements. This allows us to tailor our services to better support local businesses, like yours, that are seeking innovative solutions and expert advice. At COLETEK, we're not just engineers – we're problem-solvers who understand the complexities involved in bringing new products and technologies to market. Our capability is centered around delivering custom engineering and product development solutions that exceed your expectations. By working together, we can turn your ideas into reality, drive growth, and achieve success. As you navigate the ever-changing landscape of Great Marlow, New South Wales, Australia's business environment, it's reassuring to know that you have a trusted partner like COLETEK by your side. With our expertise in hand, you'll be empowered to stay ahead of the curve, capitalize on opportunities, and achieve a competitive edge.

Let’s build something remarkable together.

Contact Us

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


VoIP Setup & Support for Great Marlow – 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.