VoIP Office
Phone Systems Sydney

Enhance productivity, collaboration and cost-efficiency within your organisation with TechBrain's cutting-edge business VoIP solutions.
voip business phones, hero

At TechBrain,
we provide

Experience the power of seamless communication with our state-of-the-art 3CX VoIP phone systems, meticulously designed to optimise collaboration, productivity, and cost-effectiveness for your Sydney business.

3CX’s industry-leading technology and intuitive VoIP solutions integrate effortlessly with your existing Sydney office infrastructure, delivering unrivaled call quality, dependability, and versatility.

Unlock a wealth of advanced features, such as auto-attendant, call forwarding, voicemail-to-email, and conferencing capabilities, all tailored to streamline your Sydney business’s workflow and elevate productivity to new heights.

TechBrain’s dedicated team of office phone system specialists ensures a seamless implementation process, providing comprehensive training and ongoing support to ensure a smooth transition and adoption of your new VoIP phone system.

With scalable solutions customised to suit Sydney businesses of all sizes, TechBrain is your trusted partner in communication success.

Elevate Your Sydney Office with 3CX Phone Systems

Elevate your office communication with a cutting-edge 3CX phone system. This powerful software-based phone solution boasts advanced features, including video conferencing, intelligent call routing, and seamless CRM integration. Experience the ease of deployment, management, and cost savings that 3CX brings to your Sydney office.

Unlock Flexibility with SIP Trunk Channels

We deliver reliable, scalable, and cost-effective voice and video communication solutions for businesses. Customise your channel count, minimise expenses and enjoy unparalleled flexibility. Experience crystal-clear call quality and robust features that drive productivity and propel your organisation to new heights.

Simplify Communication with SIP Numbers

Our advanced technology offers customisable, reliable, and cost-effective voice and video communication solutions for your business. Choose from an extensive selection of local numbers, national, and international numbers, and revel in unmatched flexibility and control over your communication network.

Streamline Customer Service with 1800 Number Hosting

Our cost-effective, memorable 1800 numbers help strengthen your brand and simplify customer service for your business. Enjoy nationwide reach, advanced call routing, and sophisticated reporting tools. Elevate your customer experience with TechBrain, your trusted 1800 number provider!

Discover the Advantages of VoIP vs PBX

Uncover the benefits of VoIP compared to traditional PBX systems for your Sydney office. Learn how VoIP can reduce costs, enhance scalability, and improve communication while eliminating the need for cumbersome on-premise hardware.


The Power of Virtual Business Phones

Your employees’ productivity is closely tied to the technology you employ for communication and collaboration. As a business owner or manager, investing in communication technology may seem daunting. Why not just play it safe with existing, aging, phone system infrastructure?

But what if that very technology could boost efficiency and productivity within your organisation? Allow us to introduce you to the game-changing VoIP phone system and demonstrate how it can revolutionise your business.

Understanding VoIP: The Future of Business Communication

VoIP (Voice over Internet Protocol) is a cutting-edge technology that digitises voice signals and transmits them through an IP network. This enables you to make cost-effective calls both locally and internationally. VoIP services also offer a host of additional benefits that traditional phones simply can’t match.

While using VoIP phone technology is straightforward, setting up such a system can be complex. However, you can trust TechBrain to handle the entire process for you. With our extensive track record of satisfied customers, we are confident in our position as the premier VoIP service provider.

The Inner Workings of VoIP Technology

By utilising your internet connection to transmit voice data from your phone, laptop, or desktop, the data is transformed into a digital signal that is seamlessly received by any VoIP phone or data-driven device.

In contrast to traditional telephony, where sound travels through a standard telephone line, VoIP transmits sound via a digital connection (e.g., a router) to the end-user. VoIP providers handle the entire setup process and equip you with the necessary information to use the service effectively.

This technology empowers companies to communicate digitally with other organisations. By enhancing your company’s ability to easily reach key stakeholders, clients, or suppliers, business can be conducted at any time. This grants companies the freedom and flexibility they need to thrive in today’s fast-paced, technology-driven industries.

response team, headset on

Top VoIP features for

VoIP enables you to communicate with others at an affordable price, but that’s just the beginning. When you partner with TechBrain to install VoIP for your Sydney company, you gain access to a wealth of features designed to enhance your business operations. Here are some of the most impressive features of VoIP phone systems:

Music on hold

If your employees frequently engage with customers over the phone, the Music on Hold feature is invaluable. This feature allows you to select the audio content your callers will hear while they wait, creating a professional and engaging atmosphere.

Video conferencing

Virtual meetings have become increasingly crucial in recent years, particularly for Sydney businesses with remote teams. VoIP’s built-in video conferencing feature enables you to host virtual meetings with multiple participants, fostering seamless collaboration and communication.

Call recording

Recording certain conversations can be essential, especially for your employees in sales and customer service departments. The call recording feature allows you to save conversations company-wide or on an individual and on-demand basis, ensuring you never miss a crucial detail.

Voicemail to email transcription

Managing voicemails can be time-consuming, particularly when you’re busy. With the voicemail to email transcription feature, you can read transcribed versions of your voicemails at your convenience. This feature also enables you to save and organise your voicemails in an easily accessible manner.

Automated attendant

The automated attendant feature is undoubtedly one of the most valuable VoIP features for business. By serving as your electronic receptionist, the auto attendant enhances your company’s professional image. Callers can easily navigate to their desired extension using an interactive menu, streamlining your communication process.


Why does my Sydney business
need business VoIP services?

Business VoIP services help companies save money on communication costs while providing advanced features and scalability.

With VoIP, your employees can make and receive calls from anywhere, using a variety of devices. This mobility enables greater flexibility and adaptability for your business, allowing employees to work remotely or on the go while staying connected.

Advanced features such as call routing, voicemail, call recording, and call analytics enhance productivity and efficiency.

VoIP can also be seamlessly integrated with other business applications, such as customer relationship management software, creating a more streamlined user experience for your organisation.

What makes us different


VoIP empowers businesses to easily add or remove phone lines, features and functionality, providing unparalleled flexibility and adaptability as your company grows and evolves.



VoIP services allow your staff to make and receive calls from any location, using a range of devices, including laptops, tablets and smartphones. This mobility is essential for businesses with remote teams or employees who frequently travel.

People not employees

Advanced Features

VoIP offers a suite of advanced features, such as call routing, voicemail, call recording and call analytics, designed to boost productivity and efficiency.

What makes us different - 3


VoIP can be easily integrated with other business applications, such as customer relationship management (CRM) software, creating a more seamless and efficient user experience for your company.

Build a team for everyone

Improved Customer Service

With features like auto-attendants and call queuing, VoIP enables Sydney businesses to manage call volumes effectively and provide a more professional and personalised customer service experience.

What makes us different - 2

Cost Savings

VoIP services can significantly reduce communication costs, including long-distance charges and expensive hardware upgrades. By switching to VoIP, you can allocate your resources more efficiently and invest in other areas of your business.


See the value in our
business VoIP

In 4 simple steps see how our business VoIP services can elevate your Sydney business.

Consultation & Needs Assessment

Our experts thoroughly evaluate your existing telecommunication setup, identifying areas for improvement and potential integration with VoIP technology. We take the time to understand your business’s unique needs and goals.

Solution Design & Planning

TechBrain’s business phone systems specialists excel at crafting bespoke VoIP solutions that cater to your business’s specific requirements, encompassing features, hardware, and software components.

To ensure optimal performance, security, and compatibility with the proposed VoIP solution, TechBrain conducts an extensive evaluation of your office’s existing network infrastructure.

Deployment and Integration

VoIP hardware and software elements are expertly configured, creating a powerful and streamlined communication system tailored to your business’s needs. We place a strong emphasis on exceptional call quality, reliability, and security across all our business phone systems.

Additionally, the new VoIP system is seamlessly integrated with your pre-existing communication tools and business applications, promoting interoperability and enhanced collaboration across your organisation.

Training, Support & On-Going Optimisation

Comprehensive onboarding sessions are scheduled for your staff, ensuring a smooth transition to the new VoIP system. Our training programs are designed to help your employees make the most of the system’s features and capabilities.

TechBrain provides ongoing technical support to address any challenges that may arise during daily use of the new system in your office. Our dedicated support team is always ready to assist you.

Through continuous support and optimisation, TechBrain fine-tunes your VoIP system, ensuring peak performance, robust security, and alignment with your growing business’s needs.

Customer Satisfaction

Satisfaction Data

TechBrain’s customers are at the center of everything we do.

We’re committed to helping you understand the business impact of your technology decisions.
Our systems, processes and employee selection are made with customer needs in mind, with internal staff training focused on what’s important to the customer.

That improvement is driven on feedback and a Net Promotor Score we take monthly.


Commonly asked VoIP
business phone questions

Who should consider VoIP?

Any business looking to stay ahead of the curve and leverage the latest technology should consider VoIP. In today’s fast-paced markets, companies need to be agile and adaptable to capitalise on changes and drive profitability. Businesses, regardless of size, must be technologically prepared to advance and succeed.

Why do I need a VoIP service?

VoIP doesn’t require extensive equipment. All you need is a high-speed internet connection, such as cable broadband or DSL service. You can also opt for a specialised VoIP phone, known as an IP phone. If you wish to use your existing analogue phone setup in your office, you’ll need an Analog Telephone Adapter to connect your phone to the internet.

Why is TechBrain the best VoIP service provider in Sydney?

TechBrain’s team consists of highly skilled IT experts. We are dedicated to ensuring our clients remain at the forefront of technological advancements. Our company consistently stays up-to-date with the latest tech developments and helps our clients do the same. We only recommend products that are relevant to your business to ensure your needs are met.

What type of phone should I use for VoIP services?

You can use any type of phone once you are registered with a VoIP service. However, specialised VoIP phones, known as IP phones or SIP phones, are designed to support the transmission of voice over the internet. Your IP phone uses the internet to connect to your phone service. You can find desk phones, conference phones, and cordless phones specifically designed for VoIP technology in your office.

Why should I use VoIP instead of a landline phone?

There are several compelling reasons to choose VoIP phones over landlines. Primarily, VoIP can significantly reduce your monthly phone bill. If you make frequent international calls, switching to VoIP can lead to substantial savings. Additionally, with VoIP, you can keep your number regardless of where you travel in the world. VoIP providers also offer a range of interesting features, such as caller ID, conference calling, and voicemail.

What are the network requirements and bandwidth considerations for implementing VoIP?

To ensure optimal call quality, your office needs sufficient internet speed and capacity to support voice traffic. Factors like the number of concurrent calls, call codec, and network latency must be considered. TechBrain can assess your current network infrastructure, recommend upgrades if necessary, and optimise network settings to ensure smooth and reliable VoIP performance.

How does TechBrain ensure call quality, reliability and security?

TechBrain ensures call quality, reliability, and security in VoIP solutions by thoroughly assessing and optimising your office’s network infrastructure. We implement Quality of Service (QoS) configurations and use appropriate call codecs. Our team proactively monitors and troubleshoots potential issues to maintain high-quality service. To ensure security, we employ encryption, secure access controls and network safeguards, such as firewalls and intrusion prevention systems.