We design, deploy and support the communications infrastructure that organisations rely on daily.
Alcatel-Lucent Enterprise Phone Systems
On-Premises PBX & Business Phone Systems Built for Uptime, Control and Resilience
When communications are business-critical, reliability isn’t optional. Many organisations still choose on-premises business phone systems because they provide something cloud platforms cannot always guarantee: operational continuity.
- If the internet drops, internal calling continues.
- If WAN links fail, sites maintain operation.
- Onsite control ensures continuity and predictability.
Prosum engineers, deploys, and supports Alcatel-Lucent Enterprise business phone systems for medium and large organisations where downtime is not an option.
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Melbourne-Based Engineers
National coverage
25+ Years Experience
Why Choose On-Premises Alcatel-Lucent Systems?
On-premises telephony is not about flashy features—it’s about risk reduction and control. Alcatel-Lucent Enterprise platforms are built for stability, scalability, and long operational lifecycles. They provide:
- Full onsite control of voice and data
- Reduced reliance on external networks
- Consistent, controllable performance
- Multi-site survivability and failover options
- Integration with CRM, contact centre, and business systems
- Long operational lifecycles (commonly 7–10+ years)
No shared infrastructure. Reduced dependence on external connectivity. Predictable, controlled performance.
Engineering-Led Deployment
We don’t sell boxes. We engineer communications infrastructure.
- Architecture and design aligned to operational risk
- Structured deployment with minimal disruption
- Integration with network and security infrastructure
- Direct access to experienced engineers
- Long-term lifecycle planning and support
Designed for long-term operational stability.
Our Alcatel-Lucent Business Phone System Platforms
OXO Connect
On-Premises PBX for Single-Site and Medium Organisations
Enquire NowA reliable, easy-to-manage on-premises phone system for growing teams requiring modern capabilities without unnecessary complexity.
Commonly deployed in:
- Single-site offices
- Professional services
- Retail and education
- Teams up to ~300 users
Core capabilities:
- VoIP (SIP) and traditional line support
- Unified communications and mobile apps
- Simple administration and low operational overhead
- On-site control and reliability
OmniPCX Enterprise (OXE)
Enterprise-Grade On-Premises PBX for Large & Multi-Site Environments
Enquire NowA robust enterprise business phone system for organisations where telephony is critical infrastructure, not a utility.
Commonly deployed in environments requiring:
- 300 to tens of thousands of users
- Multi-site, distributed architecture
- High availability and resilience
- Advanced call routing and contact centres
- Deep integration with business systems
- Private cloud or hybrid options
Typical industries:
- Hospitals
- Contact centres
- Government
- Large enterprise operations
Is an On-Premises Phone System Right for Your Organisation?
On-premises systems are recommended when:
- Downtime directly impacts revenue or operations
- Compliance or data control is critical
- Sites must operate during Internet or WAN outages
- Long lifecycle stability is preferred over subscription-based models
If you only need a lower-cost or simpler setup, cloud platforms may suffice. For organisations where reliability and control are paramount, on-premises is the safer architecture.
Why Enterprises Choose Prosum
25+ years communications engineering experience
Hundreds of complex and multi-site deployments
Melbourne-based with national support coverage
Specialists in healthcare, contact centres & critical operations
Direct access to engineers.
Get a Custom Recommendation
Tell us about your sites and requirements. We’ll outline the best on-premises PBX approach for your business.
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