Unified Communications Platform. UCaaS Solutions

Unified Communications Platform. UCaaS Solutions

UC3 Cloud Communications, Engineered for Resilience

UC3 is FourNet’s enterprise cloud communications platform, designed for organisations where voice remains mission-critical.

Built around resilient SIP architecture, structured governance and up to five-nines availability, UC3 delivers reliable, compliant and scalable telephony across complex estates.

From national public sector environments to regulated enterprise, we provide a controlled platform for voice that integrates securely with collaboration and customer experience systems.

Speak to a UC3 Specialist Explore Digital Workplace & Collaboration

When Voice Cannot Fail

Many organisations still rely on fragmented telephony estates – legacy PBXs, ageing SIP contracts, unsupported hardware and undocumented configurations. PSTN replacement has accelerated change, but rapid migrations introduce operational risk. 

Voice is not disappearing. It remains central to frontline services, field operations, safeguarding, and customer engagement. For regulated organisations, dropped calls or unavailable services carry reputational, operational and political consequences. UC3 was designed for environments where availability, governance and migration safety matter as much as functionality.

What UC3 is

UC3 is FourNet’s cloud-based unified communications platform. It brings together enterprise telephony, SIP trunking, call routing, recording and resilience into a single governed service model. UC3 provides structured architecture, standardised deployment patterns and managed lifecycle governance. It replaces fragmented voice estates with a controlled platform that improves performance over time. Where required, UC3 integrates directly with Microsoft Teams Voice, contact centre platforms such as CXone, and secure infrastructure environments.

Why it Exists

We built UC3 to solve three recurring problems:

  • Uncontrolled estates with inconsistent configuration

    UC3 standardises dial plans, numbering, call flows, policies and security controls so sites don't drift into one-off fixes. You get repeatable deployment patterns, clear documentation and change discipline – reducing faults, support overhead and audit risk.

  • Migrations that introduce instability

    UC3 uses staged cutover plans, defined test packs and rollback options to protect live calling. We baseline what you have, migrate in controlled waves, and run hypercare with measured KPIs – so service levels hold while users transition.

  • Cloud telephony deployed without proper resilience design

    UC3 designs resilience in from day one: multi-site routing, carrier diversity, survivability options, recording continuity and monitored failover. The platform is governed and continuously tested, so "cloud" doesn't become a single point of failure.

Operational outcomes from a controlled UC platform

UC3 is designed for environments where voice cannot fail. Resilience is built into the architecture through geographic diversity, failover routing and continuous monitoring.

  • 99.999%

    Maximum availability architecture (5×9s)

  • Built-in resilience

    Across SIP routing and infrastructure

Proven at Scale

FourNet delivered large-scale voice modernisation for Surrey County Council, supporting complex public services while maintaining operational continuity during migration.

December 31, 2024

Transforming Telephony and Contact Centre Communications for Surrey County Council

Read more

  • Users migrated

    1,700

    Microsoft Teams telephony deployment

  • Locations transitioned

    130

    Migrated in a single weekend

  • Contact centre agents deployed

    380

    On NICE CXone

The UC3 Architecure

UC3 combines several controlled layers:

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  • Enterprise Cloud Telephony

    Hosted, managed voice services designed for distributed and multi-site estates.

  • Resilient SIP Trunking

    Geographically diverse SIP routing with failover controls and structured number management.

  • Call Recording & Compliance Controls

    Integrated recording aligned to regulatory obligations and retention policies.

  • Integration Layer

    Direct routing into Microsoft Teams Voice, connectivity to CX platforms including CXone, and alignment with secure network architecture.

  • Managed Service Governance

    Structured service delivery, reporting, performance reviews and lifecycle optimisation.
    This architecture ensures voice is not deployed as an isolated technology decision but as part of a governed operating model.

Build a Voice Platform You Can Rely On

UC3 provides resilient, governed cloud communications for organisations where voice is operationally critical. Speak to FourNet about modernising your telephony estate safely and sustainably.

Our Approach

  • Discovery

    Discuss your challenges and goals with us.

  • Analysis

    Thorough examination of your current systems.

  • Roadmap

    Tailored strategy for a secure customer experience.

"FourNet's customer experience consulting has revolutionized our approach. Their team's knowledge and commitment are unmatched."
Elias Thorne, CEO, Innovative Solutions Inc.

If you’re already a client, please call us at 0845 055 6366 or email hi@fournet.co.uk.

Hosting Options Aligned To Risk

UC3 can be deployed across multiple hosting models depending on your availability, sovereignty and regulatory requirements:

  • Agile Cloud

    FourNet-owned, resilient infrastructure

  • ANTENNA

    Government-grade hosting for environments requiring the highest availability tiers

  • Public Cloud Integration

    Scalable cloud environments with operational control, resilience and security built in.

  • Hybrid models

    Where on-premise components remain operationally necessary

How UC3 Connects to the Wider FourNet Portfolio

UC3 does not sit in isolation. 

  • Integrated with CX & CCaaS platforms to unify employee and customer communications 
  • Underpinned by Secure Infrastructure 2.0 for network resilience 
  • Monitored and protected by Security Operations where required 
  • Governed through structured Service Delivery Management and Customer Success lifecycle 

 

This joined-up approach reduces vendor sprawl, improves accountability and ensures voice evolves safely alongside wider digital transformation initiatives. 

What Makes UC3 Different

  • Built for Complex Estates

    UC3 was designed around large, distributed organisations – not small-office telephony. 

  • Resilience as a Foundation

    High availability is engineered into the architecture, not added as an upgrade. 

  • Structured Migration Governance

    Number porting, SIP rationalisation and estate consolidation follow controlled processes to reduce disruption. 

  • Operate and Improve Model

    Post go-live governance ensures optimisation continues through reporting, service reviews and adoption monitoring. 

Frequently Asked Questions

  • Is UC3 a standalone product or a managed platform? 

    UC3 is a managed cloud communications platform. It combines hosted telephony, SIP trunking, governance and lifecycle management within a structured service model.

  • Can UC3 integrate with Microsoft Teams? 

    Yes. UC3 supports Direct Routing into Microsoft Teams, allowing organisations to maintain resilient SIP architecture while enabling Teams-based calling experiences. 

  • How resilient is UC3? 

    Architecture can be designed to support availability levels up to 99.999%, depending on deployment model and hosting tier. Geographic diversity and failover are built into the platform design. 

  • Can we migrate gradually from our legacy estate? 

    Yes. We support phased migration strategies, including parallel running and staged number porting to reduce operational risk. 

  • Does UC3 include call recording? 

    Yes. Recording capabilities can be embedded as part of the platform and aligned to sector-specific compliance and retention policies. 

  • What happens after deployment? 

    Structured Service Delivery Management and Customer Success oversight ensure performance is reviewed regularly, optimisation opportunities are identified, and governance remains strong.