3CX Cloud PBX, Yealink Handsets, Done Properly
Business Phone Systems Australia — Modern PBX for SMEs and Schools
Phone Systems That Work Like Software, Not Hardware
Old PBX boxes are dead. The traditional copper line is on the way out, NBN business plans are standard, and modern phone systems are software running on commodity infrastructure with VoIP handsets on the desk and softphones on the laptop.
TechAssist designs, deploys and manages business phone systems built on 3CX cloud PBX with Yealink handsets. For SMEs needing reliable office telephony, mobile staff with consistent numbers, multi-site businesses needing centralised dialling, and Australian schools needing classroom phones plus PA/bell integration plus duress capability.
How Our Phone System Service Works
Three steps. Design the call flow you actually need. Deploy without losing numbers. Manage so the system stays current.
01
Design
Free 60-minute review of your current phone setup. We map your call flow, identify what’s working, what isn’t, and what you actually need from a modern phone system. Number-porting plan included.
02
Deploy
3CX cloud PBX provisioned, Yealink handsets configured, ring groups and call queues set up, voicemail-to-email, internal extensions, mobile softphone integration. Number porting handled. Most deployments finish inside two weeks.
03
Manage
Ongoing PBX management. Helpdesk for staff issues, monitoring of call quality, regular firmware updates on handsets, integration management with M365 / line-of-business apps. One flat monthly fee.
Eight Things Included in Every Phone System
What we provide as standard. Not as “value-add”, not as “available extras” — built into every business phone system we deploy.
1
3CX Cloud PBX
Australian-hosted 3CX deployment. Per-user licensing, no per-extension surprises, full feature set including web client, mobile apps, video conferencing.
2
Yealink Handsets
Yealink T-series desk phones provisioned and configured. Wireless headsets where needed. Number assignment, ring groups, do-not-disturb scheduling.
3
Number Porting
Existing landlines ported to 3CX with zero downtime. We coordinate with your current carrier, pick a quiet window, and verify continuity. No lost calls during transition.
4
Mobile Softphone
Staff use the 3CX app on iOS and Android. Outbound calls show your business number. Inbound calls follow them off-site. One number, one identity.
5
Microsoft Teams Integration
3CX integrates with Microsoft Teams — click-to-call from Outlook, presence sync, contact routing. Works the way your staff already work.
6
Call Recording & Analytics
Recording for compliance, training and dispute resolution. Call reporting, queue analytics, agent performance dashboards for businesses with phone-heavy operations.
7
NBN & SIP Trunking
NBN business plans configured for voice. SIP trunking from Australian carriers. Failover routing for outage resilience.
8
After-Hours & IVR
Auto-attendants, business-hours rules, after-hours messages, IVR menus, multi-step call flows. Configured to your actual operating model, not a template.
Four Deployment Models
The 3CX platform fits multiple operating models. We tailor the deployment to how your business actually works, not a generic template.
Single Office
Single Office
Up to 25 staff in one office. 3CX cloud PBX, desk handsets, mobile softphone. Number porting, NBN voice, after-hours rules. Most deployments inside a fortnight.
Multi-Site
Multi-Site
Multiple offices with shared dial plan. Inter-office extension dialling, centralised IVR, branch-specific call routing. Scales to dozens of sites.
Schools
Schools
Classroom phones, admin phones, PA/bell integration, duress button capability, parent-facing IVR. TSSP-aware deployment timelines around the school calendar.
Mobile Workforce
Mobile Workforce
Trades, field-services and remote-first teams. Softphone-first deployment, minimal desk handsets, mobile-friendly call queues, voicemail-to-email everywhere.
Why We Standardise on 3CX
3CX strikes the best balance for Australian SMEs and schools. Per-user licensing instead of per-extension (cheaper as you grow), Australian-hosted instances available, full feature set out of the box, mobile-first apps that actually work.
Compared to legacy on-prem PBX, 3CX is dramatically cheaper to maintain, easier to update, and survives hardware failure without a forklift upgrade. Compared to Microsoft Teams Phone or vendor-locked alternatives, 3CX is more flexible, integrates with more handsets, and doesn’t lock you into a single vendor stack.
Number Porting Without Drama
The number-porting horror stories you’ve heard are real — carriers losing porting orders, weekend cutovers that fail, lost numbers that take months to recover. We do this often enough to avoid the common traps.
We pick a quiet window, coordinate with your current carrier in writing, run parallel routing during cutover, and verify call delivery from external networks before declaring done. Most ports complete with under 15 minutes of actual disruption, often zero.
Schools, PA Systems and Duress Capability
School phone systems aren’t generic SME phone systems. Classroom phones need to ring through to admin reliably. PA announcements and bell schedules need to integrate with the same system. Duress capability needs to work from any phone, including mobile softphone, with clear identification of source location.
We’ve deployed 3CX into Victorian schools with Department-aware processes, TSSP technician coordination, and migration planned around the school calendar. The result: a phone system that supports day-to-day teaching plus emergencies, without an extra system to maintain.
What You Get from a Modern Phone System
Lower Total Cost
Per-user licensing, no per-extension surprises, no proprietary handset lock-in. Most clients see 30–50% reduction vs legacy PBX.
Mobile-Friendly
Softphone apps for iOS and Android. Outbound calls show business number. Inbound follow staff off-site. One number, one identity.
Microsoft 365 Integration
Click-to-call from Outlook. Presence sync with Teams. Contact directory shared. Works with the productivity tools your staff already use.
Reliability & Failover
NBN voice with SIP trunking failover. Cloud PBX survives local outage. Mobile apps continue working when the office is offline.
Vendor-Neutral Support
You own the licensing relationship if you want. We deploy and manage with no proprietary lock-in. Take it elsewhere if we ever stop earning the renewal.
Schools-Ready
PA/bell integration, classroom-aware deployment, duress capability, TSSP-aware processes. Built for the way Australian schools actually operate.
Specifically looking for school phone systems?
School phone systems have specific requirements — PA/bell integration, duress, classroom phones, parent-facing IVR. See our school-specific page for the full detail.
Get a Phone System Quote
Call 1300 028 324 or fill out the form. We’ll review your current phone setup, map your call flow, plan the number-porting, and quote a 3CX deployment that fits how your business actually works. No obligation.
Related Essential Eight Resources
Read our comprehensive Essential Eight guide for a detailed breakdown of all eight controls and how to implement them in your organisation.
Our IT audit service assesses your current maturity level across all eight strategies, and our Security Operations Centre monitors for the threats these controls help prevent.
TechAssist integrates Essential Eight compliance into our cyber security services and managed IT plans. For strategic guidance on your compliance journey, our Virtual CIO service builds a prioritised roadmap tailored to your business.
Ready for a Modern Phone System?
Contact TechAssist today for a no-obligation Essential Eight assessment. We’ll evaluate your current maturity level and build a practical roadmap to compliance.