3CX VoIP Phone System for Melbourne Businesses

3CX is a software-based PBX (Private Branch Exchange) that runs on standard Windows or Linux infrastructure, or in the cloud. Unlike traditional PBX hardware — proprietary boxes from Avaya, NEC, or Panasonic that require specialist engineers and expensive licences for every feature — 3CX is open-standards software that runs on commodity hardware or cloud VMs. It delivers enterprise features (call queues, auto-attendants, call recording, conferencing, CRM integration) at a fraction of traditional PBX cost. For Melbourne businesses replacing ageing phone systems or moving off ISDN, 3CX is the most cost-effective path to modern enterprise telephony.

With hosted 3CX, CX IT Services runs your 3CX instance on cloud infrastructure we manage — you simply connect your phones and use the system. Infrastructure management, updates, backups, and monitoring are our responsibility. With on-premise 3CX, the 3CX server runs on hardware in your Melbourne office or data centre — all call data and recordings remain on your infrastructure. On-premise suits businesses with data sovereignty requirements, high call volumes that make cloud per-minute costs prohibitive, or existing server infrastructure they want to utilise. Most Melbourne SMBs choose hosted for simplicity; larger organisations or those in regulated industries often prefer on-premise. We help you evaluate both options and recommend the right fit.

3CX is licensed per simultaneous call (SC) rather than per user — which makes it extremely cost-effective for businesses where not everyone is on the phone at the same time. A licence for 4 simultaneous calls is sufficient for a 15-20 person office where telephone activity is moderate. We size your 3CX licence based on your actual call patterns and number of extensions, and the system scales from 1-person offices to enterprise deployments with thousands of extensions. CX IT Services manages 3CX for Melbourne businesses ranging from 5 to 500+ users.

Yes. Number porting transfers your existing geographic (03 xxxx xxxx) and 1300 numbers from your current carrier to a SIP trunk provider that connects to your 3CX system. The porting process typically takes 10-15 business days and is managed end-to-end by CX IT Services — including coordination with your current provider, SIP trunk configuration, and testing before the cutover date. During the transition, your existing numbers continue to work until porting is confirmed complete.

That depends on what you currently have. 3CX supports hundreds of SIP-compatible IP phones from Yealink, Fanvil, Snom, Grandstream, and Poly — if you already have compatible handsets, they can often be reprogrammed to work with your new 3CX system. For staff who prefer not to use a physical handset, the 3CX Web Client or desktop app works from any computer with a headset — no additional hardware required. For businesses deploying new handsets, we recommend Yealink as the best value for Melbourne SMBs. We provide a hardware recommendation with pricing as part of every 3CX project scope.

For a hosted 3CX deployment managed by CX IT Services, pricing is structured as a monthly managed service fee. A typical Melbourne SMB with 10–30 users can expect to pay $150–$400/month covering the hosted 3CX licence, SIP trunk, and managed support — plus one-off setup costs of $1,500–$4,000 depending on complexity, number of sites, and whether hardware is required. On-premise deployments involve higher upfront costs (server hardware if required, plus implementation labour) but lower ongoing fees. Our managed service agreements run on 12-month terms — we do not require multi-year lock-in for standard SMB deployments. Pricing is documented in full in your proposal before you sign anything.

A standard hosted 3CX deployment for a Melbourne office of 10–50 users takes 2–4 weeks from project kick-off to go-live. The timeline covers: initial scoping and architecture sign-off, SIP trunk provisioning (typically 5–7 business days), 3CX server configuration, IP phone configuration and staging, number porting coordination, user acceptance testing, and a supervised cutover. More complex deployments — multiple sites, on-premise server builds, custom integrations, or large-scale number porting — extend this timeline. We provide a documented project plan with milestones at the start of every engagement so you know exactly when to expect each stage.

3CX has native integrations with a wide range of CRM and business systems. Microsoft 365 integration provides Teams presence synchronisation and the ability to make calls directly from Outlook contacts. CRM integrations include Salesforce, HubSpot, Zoho CRM, and several practice management systems — enabling click-to-dial from contact records and automatic call logging with notes. For Melbourne law firms using LEAP or Actionstep, and accounting firms using Xero Practice Manager, CX IT Services has experience configuring 3CX alongside these platforms. Where a native integration is not available, 3CX exposes APIs that enable custom integration development.

Law firms operating under the Legal Profession Uniform Law and medical practices subject to the Privacy Act 1988 and Australian Privacy Principles have specific obligations around how communications data — including call records and voicemail — is stored and accessed. For on-premise 3CX deployments, all data remains within your controlled environment, which simplifies data sovereignty compliance. For hosted 3CX, we deploy in Australian data centres and can provide documentation of data residency for your compliance records. Call recording configurations are documented as part of your information security policy. For practices subject to mandatory data breach notification under the Privacy Act, 3CX call data is included in your breach response planning.

CX IT Services provides managed support for all 3CX deployments as part of the monthly service agreement. During business hours (8am–6pm AEST Monday–Friday), phone system faults are responded to within 2 business hours for critical issues (phones down) and 4 business hours for standard issues. After-hours emergency support is available for total system failures — calls to our after-hours line are answered by a technician with remote access to your 3CX environment. For hosted deployments, we monitor the 3CX server 24/7 and receive automated alerts for service failures before you call us. SIP trunk outages are escalated directly to the carrier on your behalf.