
Telecom Training
Master every layer of modern telecommunications, from fibre optic transport and 5G radio access to VoIP, network security, and cloud-native architectures. This comprehensive training covers the technical depth and operational skills that telecom professionals need to perform at the highest level. Whether you're building expertise or advancing your career, this course delivers the knowledge the industry demands.
What you will learn:
You will gain a solid understanding of telecom fundamentals, including transmission media, network topologies, and regulatory frameworks. The course covers switching and routing protocols, optical transport technologies, and the evolution of wireless networks from GSM to 5G. You will learn to deploy and optimise VoIP systems, implement layered security across signalling and transport layers, and manage network operations with OSS and BSS tools. Advanced modules address SDN, NFV, Open RAN, IoT connectivity, edge computing, and emerging technologies such as LEO satellites and quantum‑safe cryptography. By the end, you will have the technical and commercial skills to contribute to engineering, operations, and strategy roles in the telecom industry.
How you study in practice Telecom Training
How you practise Telecom Training
For companies looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the specific needs of your company.
Course content
8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Telecommunications
Foundations of Telecommunications
Lesson 1 • Network Topologies and Architectures
Explains star, mesh, ring, and hybrid topologies and their trade-offs. Connects topology choice to reliability, cost, and scalability outcomes.
Lesson 2 • Transmission Media and Physical Layer
Covers copper, fibre optic, and wireless transmission media and their physical properties. Grounds students in how signals travel before addressing higher-layer protocols.
Lesson 3 • Regulatory and Standards Framework
Introduces spectrum licensing, interconnection rules, and international standards bodies. Prepares students to operate within compliance boundaries throughout the course.
Lesson 4 • Core Telecom Concepts and Terminology
Defines bandwidth, latency, throughput, and signal modulation. Establishes shared vocabulary used throughout the entire course.
Lesson 5 • History and Evolution of Telecom
Traces telecom from analogue telephony to broadband and 5G. Provides context for why current architectures exist and how legacy systems influence modern design.
Chapter 2HideHide detailsSee detailsSwitching, Routing, and Network Protocols
Switching, Routing, and Network Protocols
Lesson 1 • Circuit Switching vs. Packet Switching
Contrasts dedicated circuit paths with statistical multiplexing in packet networks. Explains why modern telecom migrated from circuit to packet switching.
Lesson 2 • Signalling Protocols in Telecom
Examines SS7, SIP, and Diameter as control-plane signalling systems. Connects signalling to call setup, mobility management, and service delivery.
Lesson 3 • Routing Protocols and Traffic Engineering
Covers OSPF, BGP, and MPLS-based traffic engineering principles. Students learn how carriers control path selection and optimise network utilisation.
Lesson 4 • OSI and TCP/IP Reference Models
Maps the seven OSI layers and the TCP/IP stack to real telecom functions. Provides the analytical framework used in every subsequent protocol discussion.
Lesson 5 • IP Addressing and Subnetting
Teaches IPv4 and IPv6 addressing, CIDR notation, and subnet design. Enables students to plan address spaces for telecom network segments.
Chapter 3HideHide detailsSee detailsOptical Fibre and Transport Networks
Optical Fibre and Transport Networks
Lesson 1 • Fibre Optic Transmission Principles
Explains total internal reflection, single-mode vs. multimode fibre, and dispersion effects. Grounds students in the physics that determine fibre performance limits.
Lesson 2 • Packet-Optical Transport Integration
Addresses converged packet-optical platforms and segment routing over optical layers. Prepares students for modern carrier transport network design.
Lesson 3 • Dense Wavelength Division Multiplexing
Teaches DWDM channel plans, optical amplification, and ROADMs for flexible wavelength routing. Connects DWDM to massive capacity scaling in backbone networks.
Lesson 4 • Optical Transport Network Standards
Explains OTN framing, forward error correction, and client signal mapping. Shows how OTN provides a unified wrapper for Ethernet, SDH, and other payloads.
Lesson 5 • SDH and SONET Hierarchies
Covers synchronous digital hierarchy framing, multiplexing levels, and protection switching. Provides the legacy transport foundation still present in many carrier networks.
Chapter 4HideHide detailsSee detailsWireless and Mobile Network Technologies
Wireless and Mobile Network Technologies
Lesson 1 • 2G and 3G Technologies
Covers GSM, GPRS, EDGE, UMTS, and HSPA air interfaces and their data capabilities. Provides legacy context essential for understanding migration to LTE.
Lesson 2 • Cellular Network Architecture
Describes base stations, controllers, and core network elements across cellular generations. Establishes the structural model that later sections build upon.
Lesson 3 • 5G New Radio and Core Network
Details 5G NR air interface, massive MIMO, and the service-based 5G core. Students understand how 5G enables eMBB, URLLC, and mMTC use cases.
Lesson 4 • Wi-Fi Standards and Enterprise Wireless
Reviews IEEE 802.11 generations, MIMO, and enterprise WLAN design principles. Prepares students to integrate Wi-Fi with cellular offload strategies.
Lesson 5 • LTE and LTE-Advanced Architecture
Explains the Evolved Packet System, eNodeB, and flat all-IP architecture of LTE. Connects LTE design choices to improved latency and spectral efficiency.
Chapter 5HideHide detailsSee detailsVoice over IP and Unified Communications
Voice over IP and Unified Communications
Lesson 1 • Codecs and Voice Quality Metrics
Compares G.711, G.729, Opus, and other codecs on bandwidth, quality, and complexity. Teaches MOS scoring and perceptual quality measurement methods.
Lesson 2 • QoS for Real-Time Communications
Covers DSCP marking, traffic shaping, and priority queuing for voice and video. Connects QoS configuration to measurable improvements in call quality.
Lesson 3 • SIP Protocol Deep Dive
Analyses SIP request and response messages, dialog establishment, and registration flows. Enables students to read SIP traces and diagnose call failures.
Lesson 4 • Unified Communications Platforms
Examines presence, instant messaging, video conferencing, and contact centre integration. Shows how UC platforms unify voice, video, and messaging into a single workflow.
Lesson 5 • VoIP Architecture and Components
Identifies IP PBX, session border controllers, media gateways, and their roles. Establishes the system model for all subsequent VoIP configuration topics.
Chapter 6HideHide detailsSee detailsTelecom Network Security
Telecom Network Security
Lesson 1 • Network Access Control and Segmentation
Addresses VLAN segmentation, 802.1X port authentication, and zero-trust principles in telecom. Limits lateral movement by isolating management, signalling, and user planes.
Lesson 2 • Telecom Threat Landscape
Catalogues SS7 attacks, SIP fraud, toll fraud, and DDoS threats targeting carrier networks. Establishes the adversary model that drives all subsequent security controls.
Lesson 3 • Incident Response for Telecom Networks
Defines detection, containment, eradication, and recovery steps for telecom security incidents. Integrates with broader organisational incident response frameworks.
Lesson 4 • Encryption and Authentication in Telecom
Covers TLS, SRTP, IPsec, and SIM-based authentication mechanisms. Connects cryptographic controls to confidentiality and integrity of telecom sessions.
Lesson 5 • Signalling Firewall and Monitoring
Explains signalling firewall rules, anomaly detection, and real-time alerting for SS7 and Diameter. Prepares students to deploy and tune signalling security systems.
Chapter 7HideHide detailsSee detailsNetwork Management and Operations
Network Management and Operations
Lesson 1 • OSS and BSS Fundamentals
Distinguishes operational support systems from business support systems and their integration. Provides the organisational context for all network management activities.
Lesson 2 • SNMP, NETCONF, and Telemetry
Explains SNMP polling, NETCONF/YANG configuration management, and streaming telemetry. Prepares students to instrument networks for automated monitoring.
Lesson 3 • Fault and Performance Management
Covers alarm correlation, root-cause analysis, and KPI threshold management. Connects proactive monitoring to reduced mean time to repair.
Lesson 4 • Change and Configuration Management
Applies ITIL-aligned change control processes to telecom network modifications. Reduces outage risk through structured approval, testing, and rollback procedures.
Lesson 5 • Service Level Management and Reporting
Defines SLA metrics, availability calculations, and customer-facing reporting practices. Enables students to demonstrate network performance against contractual commitments.
Chapter 8HideHide detailsSee detailsSDN, NFV, and Cloud-Native Telecom
SDN, NFV, and Cloud-Native Telecom
Lesson 1 • Network Function Virtualisation
Covers ETSI NFV architecture, VNF lifecycle management, and MANO frameworks. Connects virtualisation to cost reduction and service agility in carrier networks.
Lesson 2 • Network Slicing and Service Orchestration
Explains end-to-end network slicing across RAN, transport, and core domains. Shows how orchestration systems instantiate and manage slices for diverse service requirements.
Lesson 3 • Cloud-Native Network Functions
Introduces containerised network functions, Kubernetes orchestration, and microservices design. Prepares students for 5G core and open-source telecom deployments.
Lesson 4 • Open RAN and Disaggregated Architectures
Covers O-RAN Alliance specifications, RIC, and disaggregated RAN components. Evaluates vendor-neutral RAN as a strategic alternative to proprietary base stations.
Lesson 5 • Software-Defined Networking Principles
Separates control and data planes, explains OpenFlow, and describes SDN controller architectures. Establishes the programmability model underlying modern telecom transformation.
Your valid completion certificate
This course is for you:
Network technician: ready to move beyond installation into design and architecture.
IT generalist: shifting focus toward carrier-grade and telecommunications infrastructure.
Telecom sales engineer: needing deeper technical grounding to support complex deals.
Recent engineering graduate: building specialised knowledge before entering the job market.
Network operations analyst: aiming to understand the systems they monitor more deeply.
Career changer from IT security: expanding expertise into telecom-specific threat environments.
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