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Next-generation SIP Platform with Smart Routing, Advanced Applications, Security and Total Self-service Control.

NetX - SIP trunking, Redefined.

NetX is Britannic’s next-generation SIP trunking and digital voice platform. It combines carrier-grade resilience back with a market leading SLA, advanced self-service controls, Secure Call Branding, Smart Routing, High-Definition voice, Live Language Translation and a powerful web portal - giving you complete confidence and control over your call environment. NetX is designed to help you thrive through the 2025–2027 PSTN switch-off and beyond, future-proofing your voice communications while protecting your customers and your business.

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Britannic's NetX Sip Platform

What is Britannic's NetX SIP Platform/Portal?

A quick rundown and explanation of the UK's Market-Leading SIP Platform for SME and Enterprise Businesses

NetX SIP Portal Comparison

Comparing Britannic's NetX SIP Portal to other UK SIP Platform and Portal offerings and what's best for UK Businesses and their specific needs

Common Questions about NetX and Case Study

An FAQ about Britannic's SIP Platform offering and the University of Kent Case Study whereby NetX was the main technology employed within the business

Why Go with Britannic, the best SIP Trunking Provider for Businesses?

The UK is switching off ISDN and PSTN services between 2025–2027. Your current landline-based systems will stop working, and many businesses are still using rigid, traditional PSTN or SIP solutions that:

  • Depend on external support for changes
  • Lack flexible disaster recovery options
  • Expose you to fraud and spoofing
  • Provide poor transparency and control
  • Lack modern value added network based applications

NetX solves all of these challenges - and more - in a single, future-ready platform.

Introducing NetX - A Market-Leading SIP Trunking Platform

Built from the ground up by Britannic, NetX delivers:

  • An architecture built for 100% uptime, backed by a 99.999% SLA with service credits
  • Carrier-grade, highly resilient design
  • Integration with Microsoft Teams, Zoom, Mitel, Avaya, Cisco, Google, and more
  • Powerful, advanced self-service through a flexible web portal
  • Full control over routing, security, reporting, and fraud controls
  • Advanced Next Generation Network based applications

“NetX gives you total confidence in your voice communications, no matter what.”

NetX - A Platform Ready for the PTSN Switch-Off and Beyond

Your SIP Service. Your Way. Your Command Centre.
NetX - Providing Resilience and Reassurance

“NetX is a powerful, constantly evolving platform. Its resilience and analytics capabilities provide reassurance and guidance to the business, while the user-friendly portal gives me the flexibility and agility I need to easily make changes to call flows and accommodate demand and business continuity requirements.”


— Telecoms Manager, Major UK University

A Unified and Meaningful View

“To be able to generate not just reports using NetX, but real-time insight into call behaviour is a fantastic boost to our ability to be a responsive, data-led organisation. It gives us a unified and meaningful view of the environment, saving time and effort.”


— Group Head of Enterprise Architecture, Major UK Insurance Group

Britannic Has Orchestrated a Symphony of Connectivity

“By seamlessly integrating Microsoft Teams with our Mitel PBX system through NetX Direct Routing, Britannic has orchestrated a symphony of connectivity. This innovative partnership has not only streamlined communication across our organisation but has also ushered in a new era of flexibility and efficiency.”


— Infrastructure Manager, Major Housing Association

NetX SIP Portal Comparison

Below is a comparison table of the capabilities and features of Britannic's NetX SIP Portal, against other (non-named) UK Telecomms SIP offerings.

Feature / Capability
Britannic NetX SIP Portal
Competitor's SIP Portal's
Portal Overview Unified, self-service SIP management for multi-carrier/multi-site Portal available, but more limited and focused on vendor-only
Carrier Flexibility
Carrier-agnostic, supports multiple SIP providers
Vendor-only network; vendor-locked
Self-Service Management
Full control over provisioning, call routing, number management
Limited—provisioning & changes often require vendor support
Real-Time Call Diagnostics Deep diagnostics & analytics (e.g. MOS scores, packet loss, etc.) Basic call stats and reporting, not real-time diagnostics
Analytics & Reporting Granular, real-time usage, performance, and anomaly reports Monthly usage summaries; detailed reporting requires add-ons
Disaster Recovery / Rerouting Real-time control of failover rules and destinations Available, but typically managed via Gamma or limited UI
Automation & Workflow Triggers Integration with NetX automation engine for routing logic, alerting Not widely available
Multi-tenant / Multi-site Management Centralised control for all locations and providers Available, but only within Vendors's infrastructure
Integration with UCaaS & CRM Integrates with Mitel, Teams, CRMs, contact centres, etc. Teams integration available (Direct Routing); UCaaS separate
API / Extensibility
Open APIs for integration and custom workflows
Limited API availability

Key Differentiators for Britannic NetX SIP Portal

  • Vendor Agnostic: No lock-in to one provider (unlike other providers).
  • Real-Time Control: Modify routing, provisioning, and monitor performance instantly.
  • Automation: Automate failover, call handling, or alerting with NetX workflows.
  • Unified Visibility: Central dashboard for all SIP channels—across carriers and sites.
  • Faster Troubleshooting: Built-in diagnostics reduce dependency on support teams.

When Other Vendors May Be Sufficient

  • You're committed to the vendors network and don't need flexibility across other providers.
  • You want SIP integrated with their hosted PBX.
  • You don’t require custom workflows, deep diagnostics, or automation.
The Most Common Questions About NetX Answered
NetX SIP Portal Technology

University of Kent: Clearing

To support the University of Kent through its high-demand Clearing period, Britannic deployed its advanced NetX SIP Portal, enabling rapid, seamless provisioning of SIP trunks and real-time visibility into call flows and capacity. Designed for resilience and control, the NetX platform empowered the university’s IT and telephony teams to scale their communications instantly, monitor performance in real time, and maintain service quality during one of the busiest times of the academic year.

View case study View all case studies
Let Britannic Introduce You To the Next Generation of SIP Trunking

Already using SIP? Contact us to see how Britannic’s next-generation SIP service will add significant business value. Or you can book a free 30 minute Consultation through Calendly.

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