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niss.au is currently implementing a Governance Management System (GMS) in accordance with the ISO/IEC 27001:2022 and ISO 9001:2015 standards

Tailored Voice Communication Solutions

Empower your business with flexible PABX systems—hosted or on-site—customised to fit your needs, whether you’re a growing startup or an established business.

 Get your custom phones 

What We Provide

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Comprehensive PBX Functionality

Select from a full suite of telephony features, all adaptable to your business. Add, remove, or modify features as your needs evolve—our systems grow with you.

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Seamless Connectivity Anywhere

Expand your communications easily. Add more locations or users by simply adjusting your setup—no complex rewiring or downtime required.

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Effortless User Experience

Easily update your telephony visuals or branding—swap images to reflect your business identity. Click to change your corporate visual style.

Feature Highlights

Handle calls, manage voicemails, and route communications effortlessly with intuitive controls—focus on your business, not your phone system.

Smart Call Management

Enjoy reliable call quality and tailored features, ensuring each user has the right tools and a system that fits perfectly.

Personalised for Every User

Remote workers and multi-site teams stay connected with cloud-based solutions—no matter where business takes you, your phone system follows.

Flexible Remote Access

Presenting your telephony options clearly helps you choose the best system for your business—boosting productivity and customer satisfaction.

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Crystal-Clear Calls, Every Time

Combine our Hosted PBX with Peplink SpeedFusion technology to prioritise voice traffic, eliminate packet loss and network interruptions, and deliver crystal-clear business calls even across multiple internet connections, no matter where you are.

Peplink SpeedFusion Integration

Unified Communications

Combine traditional desk phones, Microsoft Teams endpoints and HPBX Communicator softphones into a single business phone system, giving your team the flexibility to work from any device, anywhere.

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Transform Your Business Communication

Ready to upgrade your telephony? Speak with our experts today and discover a solution that grows with your business.