
Effortless Integration with Microsoft Teams
With Cerberus Teams Telephony, you can transform Microsoft Teams into a fully-featured business phone system. No hardware, no complex setup; just high-quality, reliable voice services embedded directly within your Teams environment. Make and receive calls from any device, anywhere, using your business number.
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Native integration with Microsoft Teams
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Use existing DDI ranges or provision new numbers
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High-quality UK and international calling
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No Teams Phone add-ons or third-party apps required

Simple Deployment, Enterprise Reliability
Our Teams Telephony solution leverages Microsoft's Operator Connect model to deliver enterprise-grade public telephony directly into Teams. Your users can be up and running in hours, not days; without complex configuration or on-premises infrastructure.
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Direct routing via the Microsoft cloud
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Number assignment managed through the Teams Admin Center
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Geo-redundant infrastructure for maximum uptime
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Fully scalable from a handful of users to thousands

Secure, Managed, and Monitored by Experts
Our expertise spans networks, security, and unified communications. That means you get much more than just dial tone. From secure provisioning to ongoing monitoring and support, our wrap-around service ensures your Teams Telephony works flawlessly and stays protected.
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Managed voice services with 24/7 support
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Advanced call analytics, usage reports, and number management
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Integration with your existing broadband, SIP, or WAN services
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Security-first approach with proactive fraud prevention

Why Cerberus? More Than Just a Phone Provider
Choosing Cerberus means choosing a partner with deep knowledge of the full technology stack—from connectivity and voice to security and cloud services. We understand how your Teams environment fits into the bigger picture and ensure every part works in harmony.
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One provider for connectivity, voice, support, and infrastructure
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Highly experienced in Teams deployments for all sizes of business
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Tailored onboarding and personalised account management
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Proven track record with complex, multi-site voice rollouts