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3CX Phone System in the UK for Telecommunications
Partner-grade 3CX solutions for UK telecoms resellers and service providers.
Fully Managed
We handle installation, configuration, updates, and troubleshooting so your team can focus on using the system, not managing it.
Unified Communications
3CX combines voice calls, video conferencing, live chat, and messaging in a single platform your team already knows.
Predictable Costs
Annual licensing with no per-minute charges for internal calls and competitive SIP trunk rates for external calls.
Telecoms companies need robust internal communication tools and reliable platforms to resell to their own customers. Choosing the right IP PBX platform directly impacts service quality and customer retention across your entire subscriber base.
Cloudswitched partners with UK telecoms firms to deploy 3CX as both an internal communication system and a white-label platform for resale, providing technical support, provisioning assistance, and scalable infrastructure.
How it works for Telecoms businesses
A clear, structured process from consultation to ongoing support.
1
Expert Configuration
We design your call flows, IVR menus, ring groups, and queues to match your business processes — not just default settings that barely work.
2
Quality SIP Trunks
We provision carrier-grade SIP trunks with UK number porting, ensuring crystal-clear call quality and reliable connectivity.
3
Proactive Management
We monitor your 3CX system continuously, applying updates, managing certificates, and resolving issues before they affect your team.
3CX Phone System in the UK for Telecoms
White-Label Opportunities
Resell 3CX under your own brand to SME customers, adding a high-margin managed service to your telecoms portfolio.
Internal Communication
Deploy 3CX for your own team with contact centre features for customer support, technical assistance, and sales operations.
Multi-Tenant Management
Manage multiple 3CX instances across your customer base from a single management interface with centralised provisioning.
SIP Trunk Integration
3CX integrates seamlessly with your existing SIP trunk infrastructure, maximising your network investment and call routing efficiency.
What Our 3CX Service Includes
3CX system design, licensing, and deployment
SIP trunk provisioning with UK number porting
Call flow, IVR, and queue configuration
Handset and headset supply and setup
Ongoing system monitoring and updates
User training and dedicated support
Why Telecoms businesses choose us
Established 3CX partner with deep technical deployment experience
White-label and reseller programme support for telecoms businesses
Multi-tenant management tools for customer base provisioning
SIP trunk integration with major UK carrier networks
Technical escalation support for complex multi-site deployments
Partner consultation on building a 3CX managed service offering
Frequently Asked Questions
Yes. 3CX offers partner and reseller programmes that allow telecoms companies to white-label and resell the platform as a managed service under their own brand.
3CX is SIP-standards compliant and integrates with all major UK carrier SIP trunk services, maximising your existing network infrastructure.
3CX supports multi-tenant management, allowing you to provision, configure, and support multiple customer deployments from a centralised interface.
We provide technical escalation support, deployment assistance, and consultation on packaging 3CX as a managed service within your telecoms portfolio.
Absolutely. Many telecoms companies use 3CX internally for sales, support, and operations alongside offering it as a customer-facing product.
Free On Boarding worth up to £2,000!
Limited time offer - valid until 31/05/2026
Get a Managed 3CX Phone System
Tell us about your team size and requirements, and we will design a 3CX solution that fits your business perfectly.
Submit your details and one of our friendly team members will be in touch shortly