UK: 03330 156 651 | IE: 01263 5299
On-Premise Control. Trusted by Business.
On-Premise Phone Systems UK & Ireland | Hybrid & IP PBX Solutions
Prefer to keep your phone system in-house? Yellowcom delivers fully managed, on-premise business phone systems designed for reliability, flexibility, and cost control. Ideal for businesses with specific security, infrastructure or compliance requirements.
VoIP
What is an On-Premise Phone System, and Why Choose One?
An on premise phone system hosts your business communications on servers installed at your location. Unlike purely cloud-based phone systems, an on premise VoIP phone system gives you direct control over data, security, and system customisation — ideal for industries with compliance needs or businesses who want more flexibility in how they operate.
If you’re deciding between a cloud vs on premise phone system, think about your need for customisation, reliability, and control. We can help you find the right fit.
- Ideal for:
- ✅ Businesses with on-site infrastructure
- ✅ Healthcare, education, hospitality, and public sector
- ✅ Teams needing smart routing and local survivability
- Benefits:
- ✅ Own your hardware and reduce monthly fees
- ✅ Flexible VoIP, SIP, analogue, and hybrid setup options
- ✅ Full control over features, security and upgrades
Our Proven Process
How We Deploy the Best On-Premise Phone Systems
Business Needs & Site Audit
We review your current telephony setup, infrastructure, and future growth plans to determine the best premise based phone system for your needs.
System Design & Installation
From PBX cabinets to desk handsets, we design and install your on premise phone system — set up for efficiency, scalability, and clear call quality.
Network Optimisation & SIP Trunking
We configure your network to prioritise voice traffic, integrating SIP trunks, ISDN or traditional PSTN lines for total resilience.
Ongoing Support & Upgrades
Our engineers provide on-site and remote support, proactive maintenance, and optional hybrid migration paths future-proofing your investment.
Trusted by Leading Businesses & Telecom Partners
CLIENT SUCCESS
See How We've Helped Businesses Thrive
Read how our tailored solutions and dedicated local support have made a real difference for businesses like yours:
Seamless Setup & Reliable Support
From the seamless setup of our new phone system to the reliable ongoing support, Yellowcom transformed our communication. Partnering with them was a fantastic decision.
Darver Castle
Ireland
Take 30 Seconds to Find Your Ideal Phone System
Not sure whether to choose VoIP, On-Premise, or a Hybrid setup? Answer three quick questions and we’ll guide you to the best-fit system for your business — based on how your team works, the devices you prefer, and your top priorities.
🎯 Benefits:
Tailored recommendations in under 30 seconds
Works for all business sizes and industries
Based on your actual setup, not assumptions
On-Premise Features
Key Features of Our Premise-Based Phone Systems
VoIP, SIP and Analogue Line Integration
Flexibly blend IP calling with traditional PSTN/ISDN where needed.
Custom Call Routing and Auto Attendants
Design smarter customer journeys with custom menus, call queues, and overflow routing.
On-Site Data Storage and Security
Keep sensitive call recordings and metadata local for compliance.
CRM and Software Integration
Seamlessly connect your phone system with Salesforce, Zoho, Teams, or your CRM.
Local Remote Management Options
Manage your system remotely with admin tools, no need for constant on-site visits.
Future Hybrid and Cloud Migration Ready
Choose an on-premise setup now with the ability to evolve into cloud later.
INDUSTRY EXPERTISE
On-Premise and Hybrid Phone Solutions for Every Sector
We understand the unique communication demands across different industries in the UK and Ireland. Find out how our tailored solutions help businesses like yours succeed:
Today’s offices rely on fast, reliable communication technology to stay productive and connected. Whether teams are based in the office, working remotely, or operating in a hybrid environment, dependable telecoms ensure staff can collaborate effectively and respond quickly to clients.
When a computer fails in a standard office, a few emails might get delayed. When a network goes down on a factory floor, production lines stop, staff are left idle, and the financial cost climbs by the minute. You need an IT partner who understands that in your industry, uptime is not a luxury; it is a fundamental requirement.
In the transport industry, margins are tight and deadlines are strict. IT isn't just about computers in an office; it’s the lifeline that connects your planners, your drivers, and your customers. If your digital foundation cracks, your supply chain stops.
If you run a law firm in the UK or Ireland, you already know that your reputation is your most valuable asset. Your clients trust you with their most sensitive, confidential, and highly regulated information. A single data breach, a lost file, or a day of system downtime does not just cost you billable hours—it damages the trust you have spent years building.
Running a charity or public sector organisation is incredibly rewarding work, but it is rarely easy. You are constantly balancing exceptionally tight budgets, managing a diverse mix of remote staff and part-time volunteers, and safeguarding highly sensitive information.
Picture a busy Monday morning at your practice. The waiting room is full. The phones are ringing constantly. And then, your clinical software freezes.
What’s the difference between a hosted vs on premise phone system?
A hosted phone system is managed entirely in the cloud by a provider. An on premise phone system is physically installed at your location, giving you control over hardware, data, upgrades, and call routing.
Is an on-premise phone system better for reliability?
If your internet connection is unreliable, an on premise phone system backed by SIP or analogue failover can keep your calls flowing even during broadband outages.
Can I upgrade from an on premise PBX to cloud later?
Yes. Many of our on premise VoIP phone systems are designed with cloud migration options in mind. We can plan a hybrid or full cloud move whenever you’re ready.
Is a premise based phone system expensive to maintain?
Not necessarily. While upfront costs are higher than cloud subscriptions, on-premise systems can save money long-term with lower licensing costs and hardware you own outright.
Which businesses benefit most from an on premise phone system?
Healthcare providers, hotels, manufacturers, education centres, and financial services firms often choose on-premise systems for their control, security, and resilience.
Got Questions About Switching to VoIP?
Frequently Asked Questions
We’ve helped businesses across the UK & Ireland take full control of their communications with secure, on premise phone systems. Below are some of the most common questions we hear so you can make an informed decision with confidence.
03330 156 651
UK Contact Number
01263 5299
IE Contact Number