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Wholesale VoIP and SIP trunking for telecoms operators and resellers.
We understand the specific telephony requirements and communication workflows of telecoms businesses — ensuring every handset, call flow and integration is tailored to how your team works.
Bespoke VoIP and phone system packages designed specifically for the telecoms sector, aligned with your team size, call volumes and integration needs.
Centrally located in the City of London, providing hands-on VoIP deployment, network configuration and face-to-face support for telecoms firms.
Three routes to modern business telephony. We recommend the right one based on how your team actually works — not what generates the biggest commission.
Full cloud phone system
A complete business phone system hosted in the cloud — no PBX hardware on your premises. Calls route through secure data centres with automatic failover, giving you enterprise-grade reliability with zero maintenance. Scales from 2 users to 2,000.
Calling inside Teams
Already using Microsoft Teams for chat and meetings? Add external calling directly inside Teams — one app for everything. Your team makes and receives calls from their existing Teams interface on desktop, mobile or IP handsets. No separate phone system needed.
IP connectivity for existing PBX
Already have a PBX you're happy with? SIP trunking connects it to the internet instead of traditional ISDN lines — slashing your call costs while adding disaster recovery and flexible call routing. Keep your existing investment, modernise the connection.
Telecoms companies need wholesale VoIP infrastructure they can rely on for their own customers. Whether you are an MVNO, ISP, or telecoms reseller, the quality and reliability of your voice platform directly impacts your customer satisfaction and churn rates.
Cloudswitched provides wholesale VoIP and SIP trunking for UK telecoms operators. Our carrier-grade infrastructure, competitive wholesale rates, and white-label options enable you to deliver reliable voice services to your customers.
Running a Telecoms business in Rugby places you within a dynamic town. Rugby is a Warwickshire town famous as the birthplace of the sport and home to a strong engineering and logistics economy. The town's central location and excellent rail and motorway connections have attracted major distribution centres and technology companies to its commercial parks. With a business community spanning engineering, logistics, technology, distribution, manufacturing, professional services, Telecoms firms benefit from a diverse professional ecosystem and reliable demand for their services.
Telecoms businesses choose Rugby for its combination of commercial opportunity and accessibility. Getting to and from Rugby is straightforward: Approximately 1 hour by Avanti West Coast from Euston directly to Rugby. The town's reputation and amenities make it an attractive base for Telecommunications firms.
The local economy of Rugby encompasses engineering, logistics, technology, distribution, manufacturing, professional services, creating a diversified commercial environment. Telecommunications businesses contribute to this economic mix and benefit from the professional services infrastructure that supports the wider business community.
We've partnered with Fidelity Group — an award-winning UK hosted telephony provider — to deliver enterprise-grade VoIP solutions to businesses of all sizes. Their Horizon platform and our IT expertise means you get a phone system that's properly configured, integrated and supported.
Enterprise VoIP platform with 99.99% availability, geographic redundancy, and the quality metrics your customers demand.
Competitive wholesale SIP rates with UK-wide number ranges, porting, and CLI delivery.
From hosted VoIP and Microsoft Teams Voice to SIP trunking and CRM integration, we cover every aspect of business telephony — ensuring your telecoms business communicates efficiently across every channel.
From first conversation to live phone system, we manage the entire process so the switch is seamless for your team.
We assess your current phone setup, call volumes, team structure and remote working requirements. We check your broadband is suitable for VoIP and recommend the right system — hosted VoIP, Teams Voice or SIP trunking.
We configure your entire phone system — call flows, auto-attendant menus, hunt groups, voicemail, user permissions and CRM integrations. We port your existing numbers so customers call the same number as before.
We pre-configure IP handsets, install softphone apps on laptops and mobiles, and provide hands-on training for your team. Everyone knows how to use the new system before we switch it on.
We manage the cutover to minimise disruption, monitor the system post-launch and provide ongoing technical support. Need a new user added, a call flow changed or a handset replaced? One call to us.
Carrier-grade VoIP platform with 99.99% availability SLA
Competitive wholesale rates for UK SIP trunking and number ranges
White-label portal and API for telecoms resellers
Experience supporting ISPs, MVNOs, and telecoms service providers
UK-based wholesale support team with telecoms industry expertise

IT company first, telecoms provider second. That's why your phone system actually integrates with everything else.
We configure QoS, firewalls, VLANs and network settings properly — not just plug in phones and hope for the best. Your voice quality is our responsibility.
Phone system, internet connection and IT support — all managed by one team. No finger-pointing between providers when something goes wrong.
We don't just tick a box — we properly integrate your phone system with your CRM so screen pops, call logging and click-to-dial actually work reliably.
If Microsoft Teams Voice is all you need, we won't upsell you a full hosted PBX. We recommend based on what fits your business, not our margin.
We assess your broadband, configure QoS and test call quality before go-live. If your connection isn't good enough for VoIP, we'll fix that first — we do connectivity too.
VoIP fraud is real — hackers can run up thousands in international call charges overnight. Our systems include fraud detection and call barring to protect your business.
We manage the entire porting process — coordinating with carriers, scheduling the switchover and ensuring zero downtime. Your customers won't notice a thing.
Softphone apps on every device mean your team can make and receive calls from their business number whether they're in the office, at home or on the road.
Adding a new user takes minutes, not weeks. No engineer visits, no hardware orders, no waiting. Your phone system grows as fast as your business does.
Technology is a critical enabler for Telecoms firms in Rugby, supporting everything from client communications to data management. The town's digital infrastructure provides the connectivity Telecommunications organisations need. Professional IT support ensures these businesses can focus on delivering excellent service to their clients.
Rugby is a Warwickshire town famous as the birthplace of the sport and home to a strong engineering and logistics economy. The town's central location and excellent rail and motorway connections have attracted major distribution centres and technology companies to its commercial parks. GE Aviation and other engineering firms maintain significant operations in the area.
Key industries: engineering, logistics, technology, distribution, manufacturing, professional services
Getting here: Approximately 1 hour by Avanti West Coast from Euston directly to Rugby
City
Near Rugby School, Webb Ellis Rugby Football Museum, Caldecott Park
business phone system for Telecoms
Cloud phone systems tailored for telecoms businesses. Improve client communication, reduce missed calls, and gain real-time analytics on call volumes and team performance.
IP telephony Rugby
IP telephony solutions in Rugby delivering high-definition voice over your data network. Unify your communications, integrate with Microsoft Teams, and empower remote workers.
Got questions about VoIP and phone systems for telecoms businesses? We've answered the most common ones below.
Absolutely. We manage your corporate IT environment — office infrastructure, end-user devices, email, business applications, and BSS platforms — while respecting the boundary with your network operations infrastructure. We work alongside your network engineering team, not across them, ensuring clean separation of responsibilities.
Yes, we support the IT infrastructure that hosts your OSS/BSS stack — servers, databases, virtualisation, storage, and connectivity. We work with your platform vendors and internal teams to ensure the underlying IT environment performs reliably for your operational and business support systems.
We implement the IT security controls, data retention infrastructure, and access management systems required by Ofcom and the Telecommunications Security Act 2021. This includes network segmentation, encrypted storage for retained data, audit logging, and documentation for regulatory reviews.
Yes, we offer 24/7 monitoring and support options for telecoms clients whose operations run around the clock. Critical system alerts are escalated immediately with defined response times, and our on-call engineers understand the urgency of issues affecting your NOC and customer-facing platforms.
Tell us about your current phone setup and we'll recommend the right solution — no obligation, no pressure. We'll assess your network, map your call flows and give you a clear, honest quote.
Whether you need a hosted VoIP system, Microsoft Teams Voice or SIP trunking for your existing PBX, our team is ready to design the right solution and manage the entire migration for your telecoms business.
Submit your details and one of our friendly team members will be in touch with you shortly
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