VOIP Support & Configuration for Old Grevillia

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 Old Grevillia. 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.

Partnering with COLETEK: Expert Engineering Solutions for Old Grevillia and Beyond

Proudly based in Old Grevillia, New South Wales, Australia, COLETEK is a multidisciplinary Australian engineering and product development company established in 2001. Over the years, we've built a reputation as a trusted partner to businesses of all sizes, from startups to established companies operating throughout Australia. Our commitment to delivering reliable, innovative solutions has earned us a national presence, with a strong focus on supporting local communities like Old Grevillia. Whether you're an entrepreneur or business owner in the region, COLETEK is here to help you achieve success. Our expertise spans diverse industries and sectors, allowing us to offer a unique blend of skills and knowledge that can benefit businesses operating in Old Grevillia. At COLETEK, we believe in the power of collaboration and the importance of understanding our clients' specific needs. We take the time to listen, ask questions, and work together with you to develop innovative solutions that meet your objectives. Our team's extensive experience in product development and engineering enables us to tackle complex problems and turn them into game-changers for your business. When you partner with COLETEK, you can expect a dedicated approach to understanding the unique challenges facing businesses in Old Grevillia. We're committed to serving our community by providing tailored solutions that drive growth, improve efficiency, and enhance overall competitiveness. No matter whether you're looking to launch new products, streamline operations, or overcome technical hurdles, we have the expertise and capabilities to support your journey. As a trusted partner for businesses in Old Grevillia and beyond, COLETEK is dedicated to being a key driver of innovation and success. By partnering with us, you'll gain access to our team's collective knowledge, experience, and national reputation for delivering exceptional results.

Let’s build something remarkable together.

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


VoIP Setup & Support for Old Grevillia – 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.