On‑Premises VoIP Phone Systems
Secure, reliable and high‑performance on‑premises VoIP systems for care 🏥, commercial 🏢, education 🏫, hospitality 🍽️, industrial 🏭 and multi‑site organisations across Greater Manchester and the UK.
Email: sales@passmonds.com
PBX Appliances • SIP Trunks • Call Routing • Failover • Multi‑Site Integration
On‑Premises VoIP Systems in Greater Manchester & the UK
Our on‑premises VoIP systems provide secure, reliable and high‑performance communication for organisations that require full local control of their phone system. We install and support Yeastar P‑Series PBX platforms across Rochdale, Oldham, Bury, Bolton, Manchester and the wider UK.
Our on‑premises VoIP integrates seamlessly with your existing structured cabling, CCTV systems, business WiFi, business broadband and legacy analogue devices.
An on‑site PBX gives you complete control over call routing, security, integrations and hardware. This is ideal for organisations that require strict data control, advanced customisation or integration with existing systems such as door entry 🚪, paging 📢, alarms 🚨 or legacy analogue devices.
Key Features
🖥️ Local PBX Control
Full control over routing, security, integrations and hardware.
📡 SIP Trunk Compatible
Works with our business‑grade SIP channels for maximum reliability.
📞 Analogue Device Support
Integrates with door entry, alarms, paging, lift phones and fax lines.
🔁 Built‑In Redundancy
Local survivability and failover options for high‑uptime environments.
🏭 Multi‑Building Support
Ideal for large estates, campuses and multi‑site organisations.
🔒 Enhanced Security
All call processing stays within your network for maximum control.
Why Choose an On‑Premises VoIP System?
Yeastar P‑Series PBX – Powerful & Future‑Ready
- 📡 Supports SIP trunks, IP handsets, DECT and analogue gateways
- 📊 Advanced call features: IVRs, queues, recording, hot desking
- 🖥️ Operator panels and call‑management tools
- 🔁 Built‑in redundancy and local survivability
- ⏱️ High uptime for organisations that cannot afford downtime
- 📈 Flexible expansion for growing teams and multi‑site estates
Enterprise‑Grade Security & Local Control
- 🔒 All call processing stays within your network
- 🛡️ Full control over firewall rules, VLANs and QoS
- 🔐 Encrypted communication and secure access permissions
- 🏥 Ideal for compliance‑driven sectors
- ⚡ Improved reliability and reduced external dependencies
Integration with Existing Infrastructure
Many organisations still rely on analogue devices such as door entry 🚪, lift phones, alarms 🚨, paging 📢 and fax lines. An on‑site PBX integrates seamlessly with these through FXS/FXO gateways, allowing you to modernise your phone system without replacing every device.
This makes on‑premises VoIP a cost‑effective upgrade path for multi‑building sites and older estates.
SIP Trunk Pricing
📡 SIP Channel – Unlimited UK Calls
£17.99 + VAT per channel
- Unlimited UK landline & mobile calls
- Compatible with Yeastar P‑Series PBX
- Perfect for care homes, commercial sites & multi‑building estates
- Full setup, routing configuration & support included
- Optional failover routing & redundancy
📞 SIP Channel – PAYG Calls
£9.99 + VAT per channel
- Ideal for low‑usage sites
- Standard UK call rates
- Fully managed configuration & support
📄 Additional Numbers (DIDs)
£2.00 + VAT per number
Why Organisations Choose Passmonds
- ⭐ 25+ years’ experience in business telephony and VoIP
- 🏥 Sector‑wide expertise across care, commercial, education and more
- 🌍 Nationwide coverage with engineers across the UK
- 🔧 End‑to‑end delivery including setup, migration and support
- 🧹 Clean, professional installations with minimal disruption
- ⚡ Fast response times and long‑term support
- 🏢 Trusted by care homes, MSPs and multi‑site organisations
Areas We Cover
Greater Manchester
Bury, Oldham, Rochdale, Bolton, Wigan, Salford, Manchester, Stockport, Tameside, Trafford
North West
Warrington, Liverpool, Preston, Blackburn, Burnley, Blackpool, Chorley, St Helens, Widnes
UK‑Wide Support
Available for multi‑site care groups, MSP partners and national organisations.
On‑Premises VoIP – Frequently Asked Questions
Is an on‑premises VoIP system more secure?
Yes — all call processing stays within your network, giving you full control over security and compliance.
Can it integrate with analogue devices?
Yes — door entry 🚪, alarms 🚨, paging 📢, lift phones and fax lines can all be supported via gateways.
Is this suitable for multi‑site organisations?
Yes — on‑site PBX systems can link multiple buildings and estates with consistent call flows.
Do you support Yeastar P‑Series PBX?
Yes — we install, configure and support the full Yeastar P‑Series range.
Do you provide ongoing maintenance?
Yes — we offer full support, updates, monitoring and long‑term maintenance.
Related Services
Structured Cabling • Fibre Optic Cabling • Business WiFi • CCTV Installation • Leased Lines
Need an On‑Premises VoIP System?
Whether you're upgrading a single site or deploying VoIP across multiple buildings, we can help.