If you live or run a business in Australia, you’ve probably noticed that communication costs can stack up fast—especially if you make interstate or international calls. Whether you’re a small business in Sydney, a freelancer in Melbourne, or a growing enterprise in Perth, finding a reliable and affordable communication tool is essential.
That’s where VoIP calling apps come in.
VoIP (Voice over Internet Protocol) lets you make and receive calls over the internet instead of traditional phone lines. It’s flexible, affordable, and loaded with advanced features like call recording, HD audio, and video conferencing.
In this guide, you’ll learn everything about the best VoIP calling apps in Australia, how they work, their pricing, pros and cons, and how to choose the right one for your needs.
What is a VoIP Calling App?
A VoIP calling app allows users to make voice and video calls using an internet connection instead of a SIM card or landline.
Think of it as a modern phone system that replaces outdated hardware with digital technology.
Instead of connecting through the telephone network, your call travels as data packets through your Wi-Fi or mobile data. The result? Crystal-clear voice quality and a huge reduction in call costs.
Popular apps like Skype, Zoom Phone, RingCentral, Aircall, and 8×8 are great examples of VoIP systems used globally—including across Australia.
How Does VoIP Work?
Here’s how simple it really is:
- You speak into your device’s microphone.
- The app converts your voice into digital data.
- That data is transmitted over the internet to the recipient.
- The recipient’s app converts the data back into sound.
The process happens in milliseconds, which is why VoIP calls sound almost instantaneous—sometimes even clearer than traditional calls.
This also explains why good internet speed is the key to a stable VoIP experience.
Why Australians Are Switching to VoIP
There’s been a massive rise in VoIP adoption in Australia over the last few years, especially among startups, remote teams, and small businesses.
According to data from ACMA (Australian Communications and Media Authority), over 45% of small to medium-sized businesses in Australia now use VoIP-based systems as their primary communication tool.
The reasons are clear:
- Cost savings: Local and international calls are up to 70% cheaper with VoIP.
- Flexibility: Calls can be made from smartphones, tablets, or computers.
- Remote work ready: Perfect for hybrid teams across Sydney, Brisbane, and beyond.
- Scalability: Add new numbers or extensions easily without new hardware.
Top 10 Best VoIP Calling Apps in Australia (2025)
Below are the top VoIP apps based on features, reliability, call quality, and customer reviews.
1. RingCentral Australia
Best for: All-in-one business communication
Overview:
RingCentral is a global VoIP leader with strong infrastructure in Australia. It offers HD voice calls, video conferencing, SMS, team chat, and CRM integrations.
Key Features:
- Unlimited calling within Australia
- AI-based noise reduction
- Voicemail-to-email
- Mobile and desktop apps
- Integration with Google Workspace and Microsoft Teams
Pricing: Starts at AUD $25/month per user
Pros:
- Reliable uptime
- Perfect for hybrid teams
- Rich analytics
Cons:
- Slight learning curve
Example:
An eCommerce business in Brisbane reduced its telecom bills by 50% after switching to RingCentral.
2. Zoom Phone
Best for: Businesses already using Zoom
Overview:
Zoom Phone adds VoIP capabilities to the familiar Zoom interface. It’s great for Australian companies already using Zoom for meetings.
Key Features:
- HD voice and video integration
- Local Australian numbers
- Call recording and voicemail transcription
Pricing: From AUD $18/month per user
Pros:
- Unified meetings and calling
- Easy to manage from one dashboard
Cons:
- Some features cost extra
3. 8×8 X Series
Best for: Global businesses with international teams
Overview:
8×8 offers enterprise-level VoIP systems with unlimited calling to 40+ countries including Australia, UK, and USA.
Key Features:
- Free international calls
- Integrated video meetings
- Contact center features
Pricing: From AUD $27/month
Pros:
- Ideal for remote teams
- Excellent call analytics
Cons:
- Interface feels dated
4. Aircall
Best for: Call centers and sales teams
Overview:
Aircall is built for businesses that rely on phone-based sales or support. It’s cloud-based and integrates perfectly with CRMs like HubSpot and Salesforce.
Key Features:
- Real-time call monitoring
- CRM integration
- Virtual numbers for Australian cities
Pricing: From AUD $40/month per user
Pros:
- Easy integration
- Live analytics
Cons:
- Expensive for small startups
5. Microsoft Teams Phone
Best for: Microsoft 365 users
Overview:
If your team already uses Microsoft 365, adding Teams Phone is a natural upgrade.
Key Features:
- Internal and external calling
- Integration with Outlook and SharePoint
- Advanced call management
Pricing: From AUD $20/month per user
Pros:
- Seamless Microsoft ecosystem
- Reliable for enterprise users
Cons:
- Setup may require IT support
6. Vonage Business Cloud
Best for: SMEs needing flexibility
Overview:
Vonage provides cloud-based VoIP with high-quality calls and advanced call routing.
Key Features:
- Call forwarding
- Mobile apps
- Local Australian numbers
Pricing: AUD $25–$35/month per user
Pros:
- Flexible pricing
- Excellent reliability
Cons:
- Limited advanced analytics
7. GoTo Connect
Best for: Remote teams and SMEs
Overview:
GoTo Connect (by LogMeIn) offers reliable VoIP service ideal for small to mid-sized businesses.
Key Features:
- HD voice quality
- Custom call routing
- Integration with Slack and Google Workspace
Pricing: AUD $22/month per user
Pros:
- Easy setup
- Good support
Cons:
- Interface could be more modern
8. Zoiper
Best for: Freelancers and individual users
Overview:
Zoiper is a lightweight softphone app supporting multiple SIP accounts and codecs.
Key Features:
- Secure encrypted calls
- Compatible with any SIP provider
- Works on Android, iOS, and desktop
Pricing: Free basic / AUD $15 pro version
Pros:
- Affordable
- Customizable
Cons:
- Limited business tools
9. Grasshopper
Best for: Entrepreneurs and small businesses
Overview:
Grasshopper provides virtual phone numbers and VoIP calling with professional features.
Key Features:
- Call forwarding
- Business texting
- Voicemail transcription
Pricing: From AUD $35/month
Pros:
- Easy to use
- Great for small companies
Cons:
- No advanced analytics
10. MyNetFone
Best for: Local Australian VoIP users
Overview:
MyNetFone is an Australian-based VoIP provider offering local support, NBN-compatible systems, and business phone solutions.
Key Features:
- Australian phone numbers
- Compatible with NBN
- 24/7 local support
Pricing: From AUD $20/month
Pros:
- Australian company
- Reliable infrastructure
Cons:
- Fewer global features
VoIP App Comparison Table
| App | Ideal For | Price/Month (AUD) | Best Feature | Rating |
|---|---|---|---|---|
| RingCentral | All-rounder | $25 | Unified communication | ⭐⭐⭐⭐⭐ |
| Zoom Phone | Zoom users | $18 | Video & voice combo | ⭐⭐⭐⭐ |
| 8×8 | Global teams | $27 | Free global calling | ⭐⭐⭐⭐ |
| Aircall | Call centers | $40 | CRM integrations | ⭐⭐⭐⭐ |
| Teams Phone | Microsoft users | $20 | Seamless integration | ⭐⭐⭐⭐ |
| Vonage | SMEs | $30 | Flexibility | ⭐⭐⭐⭐ |
| GoTo Connect | Remote teams | $22 | Easy setup | ⭐⭐⭐⭐ |
| Zoiper | Freelancers | $15 | Custom SIP setup | ⭐⭐⭐ |
| Grasshopper | Small business | $35 | Virtual numbers | ⭐⭐⭐⭐ |
| MyNetFone | Australian users | $20 | Local reliability | ⭐⭐⭐⭐ |
How to Choose the Best VoIP Calling App for Australia
Here’s your checklist before deciding:
- Assess call volume – Large teams need scalability.
- Check internet quality – Stable NBN or fiber is essential.
- List required features – Do you need video, call recording, or CRM sync?
- Compare pricing models – Subscription vs pay-as-you-go.
- Evaluate support – Local support in Australia is a big plus.
- Test the free trial – Most apps offer 7–14 days.
- Ensure security – Check for encryption and GDPR compliance.
Benefits of Using VoIP in Australia
- Cheaper Calls: Up to 70% lower cost than PSTN.
- HD Call Quality: Crystal-clear audio even on international calls.
- Mobility: Use one number across devices.
- Scalability: Add or remove lines anytime.
- Eco-Friendly: No physical hardware waste.
Common Mistakes to Avoid
- Ignoring internet bandwidth requirements.
- Choosing a non-GDPR-compliant provider.
- Not training employees on new features.
- Overpaying for features you don’t need.
Case Study: How a Sydney Agency Saved $1,200 Monthly
A marketing agency in Sydney switched from traditional telecom to RingCentral Cloud VoIP. Within three months, their phone bill dropped by 65%, and customer response rates improved with better call tracking.
Conclusion
Choosing the best VoIP calling app in Australia depends on your needs:
- For business use, go with RingCentral, Zoom Phone, or Aircall.
- For freelancers, Zoiper is a lightweight choice.
- For local Australian support, MyNetFone is unbeatable.
The future of communication in Australia is digital—and VoIP is leading that transformation.
FAQs: Best VoIP Calling App in Australia
1. Can I get an Australian phone number with VoIP?
Yes, most VoIP providers offer local Australian numbers.
2. Is VoIP legal in Australia?
Absolutely. It’s fully regulated and supported by the Australian Communications and Media Authority (ACMA).
3. Do VoIP apps work with NBN?
Yes, all major providers support NBN connections.
4. Which app is best for international calls?
8×8 and RingCentral offer excellent global coverage.
5. Can I use VoIP on mobile data?
Yes, VoIP apps work perfectly on 4G and 5G networks.
