UK telecom engineering since 2017
5GSA, IMS, IT & Telecom Operations Experts
Connecting Telecom Networks. Enabling Intelligent Technology.
KL-UK provides specialist telecommunications engineering, 5G Standalone, IMS, VoLTE, VoWiFi, VNF/CNF, DevOps, testing and operational support services.
Technologies KL-UK works with: 5G Standalone, IMS, VoLTE, VoWiFi, VoNR, SIP, Diameter, HTTP/2 SBI, NGAP, GTP-U, PFCP, 2G and 3G, 4G EPC, VNF, CNF, Kubernetes, CI/CD, Infrastructure as Code, Interoperability testing, Data centres, AI automation.
Subscribers never see your core network. They feel it in the second between pressing call and hearing it ring. We work in that second.
Telecom Engineering and Technical Support, from Radio to Data Centre
We support telecom and IT environments through engineering assistance, network integration, troubleshooting, testing, deployment support and ongoing technical operations. Established in 2017, KL-UK combines telecommunications expertise with cloud-native technology, automation, AI and practical IT support.
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5G Standalone Engineering
Support for 5G SA network environments, core integration, troubleshooting, testing and operational readiness.
- 5G Standalone architecture and network components
- 5G core network integration
- Network function deployment support
- Signalling and call-flow analysis
- Registration and session establishment troubleshooting
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IMS, VoLTE and VoWiFi
Specialist support for IMS-based voice services, SIP signalling, VoLTE, VoWiFi and IP communications.
- IMS architecture and integration
- VoLTE engineering support
- VoWiFi and Wi-Fi Calling
- SIP signalling analysis
- Registration and authentication troubleshooting
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2G and 3G Technologies
Support for legacy mobile network environments, interworking with newer technologies and migration planning.
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VNF, CNF and Cloud-Native Telecom
Deployment, integration, troubleshooting and lifecycle support for virtualised and cloud-native network functions.
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Telecom DevOps and Automation
CI/CD pipelines, deployment automation, Infrastructure as Code and configuration management for telecom teams.
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Telecom Testing and Quality Assurance
Functional, integration, end-to-end, regression and interoperability testing for telecom networks and services.
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Telecom Operations and Support
Fault investigation, incident and problem management assistance, monitoring and remote engineering support.
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Onsite and On-Call IT Support
Flexible IT and technical assistance for offices, infrastructure and telecom environments, onsite or remote.
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Data Centre Support
Technical assistance for data centre infrastructure: equipment, cabling coordination, installation and incident support.
Technologies We Work With
- Mobile Networks
- 2G
- 3G
- 4G
- EPC
- 5G SA
- IMS and Voice
- IMS
- SIP
- VoLTE
- VoWiFi
- Voice Testing
- Cloud-Native Telecom
- VNF
- CNF
- Containers
- Kubernetes where applicable
- DevOps and Automation
- CI/CD
- Infrastructure Automation
- Configuration Management
- Testing and Quality
- Functional Testing
- Integration Testing
- Regression Testing
- Troubleshooting
- Operations and Infrastructure
- Network Operations
- Incident Support
- Data Centres
- IT Support
- AI and Digital
- Artificial Intelligence
- Workflow Automation
- Software
- Web Applications
From Engineering to Operational Support
KL-UK can support individual project stages or agreed end-to-end activities, depending on your requirements.
- Requirements
- Technical Assessment
- Design
- Implementation
- Integration
- Testing
- Deployment
- Operations
- Optimisation
- Support
Ways to engage KL-UK
- Technical consulting
- Project engineering
- Network integration
- Testing and validation
- Troubleshooting
- Onsite technical support
- Remote and on-call support
- Operations support
- Automation and optimisation
Why Choose KL-UK?
Engineers who know the signalling, the platforms and the operational reality, and who agree scope and availability with you before work starts.
About KL-UKPractical Engineering
Support focused on implementation, integration, testing, troubleshooting and operations.
Telecom-Focused Services
Emphasis on 5G SA, IMS, VoLTE, VoWiFi, legacy mobile networks and cloud-native telecom.
Flexible Engagement
Project-based, onsite, remote and on-call arrangements, subject to agreed availability.
Testing and Operational Awareness
Support across technical validation, fault investigation, operational handover and ongoing assistance.
Telecom and IT Capabilities
A combination of telecom engineering, DevOps, data centre support, IT services and automation.
Established Since 2017
A UK-based technology business established in 2017.
Supporting Telecom and Technology Environments
Mobile network operators
Engineering, testing and operational support for live and pre-production networks.
Telecom equipment vendors
Integration, interoperability testing and customer deployment support.
Telecom system integrators
Additional specialist capacity for integration and delivery projects.
Managed service providers
Operational, troubleshooting and on-call assistance by agreement.
Cloud and infrastructure teams
Support for cloud-native platforms, automation and telecom workloads.
Data centre operators
Hardware, connectivity and maintenance support within your processes.
Enterprise IT departments
Onsite and remote IT support, infrastructure assistance and projects.
Technology companies
Engineering, DevOps, AI and software capability when you need it.
SMEs and corporate organisations
Practical IT support, websites and automation sized to your needs.
Latest Insights
View All Insights-
Understanding 5G Standalone Architecture
A practical guide to 5G Standalone architecture: the 5G Core network functions, service-based interfaces, registration, PDU sessions, network slicing and what engineers should check when things fail.
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IMS Fundamentals: Registration, Signalling and Voice Services
How IMS works for mobile voice: the CSCF chain, IMS registration with IMS-AKA, SIP call setup with preconditions, VoLTE bearers, VoWiFi via the ePDG and practical troubleshooting tips.
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VNF vs CNF: Virtualised and Cloud-Native Network Functions
The difference between VNFs and CNFs, how ETSI NFV MANO and Kubernetes manage them, the networking and performance considerations for telecom workloads, and practical advice for migrating and operating them.
Have a Telecom or Technology Challenge?
Whether you need 5G SA or IMS engineering, telecom testing, VNF/CNF assistance, DevOps, operations support, data centre services or onsite IT support, KL-UK can discuss your requirements.