Take control with on-premise UC

powered by Switchvox

The best value in unified communications, our on-premise system is a fully-featured VoIP phone system at one price, giving administrators complete control over updates and integrations.

On-prem hero

Integrates with your CRM and Microsoft Outlook

Click to call, access contacts, and track conversations without switching applications.

Enable reliable calling with SIPStation

Connect to Sangoma SIP trunking for dependable inbound and outbound VoIP calls.

Keep your existing lines and devices

Supports POTS, PRI, and legacy connectivity without replacing your current infrastructure.

Why choose an on-premise phone system?

An on-premise VoIP phone system gives you full control over your communications, equipment, and data. It works with your existing network and devices and keeps your business running on infrastructure you manage.



Switchvox is an all-features-included VoIP system with voice, messaging, mobile apps, and call handling tools for every user. You also get 24/7 support and an easy path to the cloud through Switchvox Cloud.

On-premise UC features

Phone User

Everything agents need to manage calls

Better equip your agents and increase agent productivity with comprehensive contact center features including:

  • Call recording
  • Monitor, whisper, and barge
  • Hot Desking
  • Queue Management Switchboard
  • Custom music / Message On Hold (MOH)
  • Enhanced CallerID
  • Presence management
  • IVR
P325 Phone

Handle calls efficiently

Sangoma Switchvox works hand-in-hand with Sangoma P-Series phones, using built-in phone apps to make managing calls simple and intuitive. Call management features include:

  • Visual voicemail
  • Call queues
  • Parking lot
  • Paging and group paging
  • Flexible call routing
  • Call, transfer, park, and intercom controls
  • Ring groups

One place for messages, meetings, and calls

With Switchvox on-prem, it’s easier than ever to stay connected across your organisation.

  • Access and act on messages in one place with voicemail-to-email, SMS, and instant messaging
  • Bring teams together with unlimited conference calling and video meetings
  • Connect with Microsoft Teams so users can communicate from a single platform

Sangoma Phone for MS Teams

Embed Sangoma Phone directly into Microsoft Teams, allowing users to to place and receive calls through the built-in Sangoma Phone dial pad without leaving Teams.

Our deployment models

Switchvox on-prem

Deployed entirely within your own data center or environment, giving maximum control over data, security, and compliance. Best for organisations with strict regulatory or latency requirements.

A cloud-based business phone system that provides enterprise-grade calling features without requiring on-premise PBX hardware. It enables flexible, remote call management while reducing costs and simplifying administration.

Switchvox Virtual Machine runs the full Switchvox system on your existing virtualised infrastructure, delivering the same enterprise-grade features and reliability as a hardware appliance, while giving you greater flexibility, scalability, and efficient use of IT resources.

Frequently asked questions

Who should chose on-premise UC system over cloud or hybrid deployment options?

An on-premises UC system is ideal for organisations like county or local governments, businesses with high-security needs, or those requiring SIP trunking integration. It’s also the best choice for businesses that need full control over their communications, strict security compliance, reliable offline operations, or have existing infrastructure and dedicated IT resources to manage and maintain the system.

Can the on-premise system support remote work or virtual environments?

Yes, an on-premises system can support remote work by using VPNs, remote desktop tools, or integration with cloud-based services. Additionally, desktop and mobile softphones can be used to provide employees with the flexibility to make and receive calls from virtually anywhere. However, supporting remote work with an on-prem system requires more effort and resources compared to cloud or hybrid UCaaS models.

How secure are on-premise solutions?

On-premises UC solutions are very secure, giving businesses full control over data and infrastructure. Sangoma ensures security through proper implementation, regular updates, and strong security measures like firewalls, encryption, and access controls.

Is an on-premise UC system difficult to manage?

An on-premises UC system is best suited for businesses with a dedicated IT team, as it requires ongoing maintenance, system updates, and troubleshooting. While it offers full control and customisation, managing the system can be complex, especially as your communication needs grow. With the right IT resources, however, an on-premises solution can be effectively managed to ensure reliable performance and security.

Ready for a better business communications platform?

Find flexible and tailored plans so you never pay more than you need to, whatever the size of your business.