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5G/6G AcademyTelecom certifications · since 2009
TELCOMA 5G Core & E2E Specialist

5G Core & E2E Specialist

Trace every message of the procedures that define 5G, then engineer QoS, slicing, edge, security and voice end-to-end — and hold an informed conversation about 5G-Advanced and 6G.

Engineers specializing in the 5G core and end-to-end systemsWeeks 9–12 of the pathPrerequisite: Certificate 1 or equivalent; Certificate 2 recommended
Watch the free lessonStart 7-day free trial
1 of 38 lessons available≈4.7h of video8 modulesEarns TELCOMA 5G Core & E2E Specialist

Module 15 — Core Procedures Deep Dive

5 lessons · ≈46 min

Learn to read any call flow, then trace registration, PDU session, modify/release and N4/PFCP message by message.

  1. 1
    The core reassembled — the NF line-up, and how to read a call flowWatch free
    6:39
  2. 2
    Registration, end to end
    Coming soon
  3. 3
    PDU session establishment — the full choreography
    Coming soon
  4. 4
    Session modification & release — and the sessions that sleep
    Coming soon
  5. 5
    N4 and PFCP — how the SMF drives the UPF
    Coming soon

Module 16 — QoS, Policy & Charging

4 lessons · ≈26 min

Build a QoS/policy design from SLA to 5QI.

  1. 1
    5QI and QoS flows — deep dive
    Coming soon
  2. 2
    PCF: policy as the network's rulebook
    Coming soon
  3. 3
    Charging with CHF
    Coming soon
  4. 4
    Engineering an SLA end-to-end
    Coming soon

Module 17 — Network Slicing

4 lessons · ≈26 min

Design and defend a slice architecture.

  1. 1
    What a slice really is — and its identifier, the S-NSSAI
    Coming soon
  2. 2
    Slice selection, step by step
    Coming soon
  3. 3
    Slicing the RAN — keeping slices apart on the air
    Coming soon
  4. 4
    Selling slices — exposing the network through NEF
    Coming soon

Module 18 — Edge & Cloud-Native Operations

5 lessons · ≈33 min

Place workloads for latency and run the core like a SaaS.

  1. 1
    MEC & local breakout — bringing the exit closer
    Coming soon
  2. 2
    UPF placement decides your latency budget
    Coming soon
  3. 3
    Containers & orchestration — why the core runs like software
    Coming soon
  4. 4
    Service mesh & the SBA fit
    Coming soon
  5. 5
    Observability & NWDAF — the network's analytics brain
    Coming soon

Module 19 — 5G Security

6 lessons · ≈40 min

Walk the 5G trust chain from SIM to roaming partner.

  1. 1
    Why 5G trusts nothing — the trust chain at a glance
    Coming soon
  2. 2
    5G-AKA: authentication, step by step
    Coming soon
  3. 3
    From one long-term secret to the anchor key — what 5G-AKA just proved
    Coming soon
  4. 4
    The key hierarchy — one level at a time
    Coming soon
  5. 5
    NAS, AS and non-3GPP access security
    Coming soon
  6. 6
    Guarding the borders — SEPP, roaming and the zero-trust close
    Coming soon

Module 20 — Voice, Messaging & Devices

5 lessons · ≈33 min

Explain how calls, texts and constrained devices ride a data-only network.

  1. 1
    What IMS is — the voice subsystem 5G reuses
    Coming soon
  2. 2
    VoNR call setup — placing a call over 5G
    Coming soon
  3. 3
    EPS fallback — the safety net
    Coming soon
  4. 4
    Messaging: SMS over NAS and RCS
    Coming soon
  5. 5
    RedCap, eRedCap and Ambient IoT — the device spectrum
    Coming soon

Module 21 — 5G-Advanced, Now

5 lessons · ≈33 min

Brief your team on what Rel-18/19 makes possible today.

  1. 1
    5G-Advanced at a glance: the Rel-18 & Rel-19 map
    Coming soon
  2. 2
    AI/ML across the network: AI-RAN and NWDAF-driven automation
    Coming soon
  3. 3
    NTN: 5G from space
    Coming soon
  4. 4
    XR & immersive services
    Coming soon
  5. 5
    The awareness plane: positioning, sensing groundwork & energy
    Coming soon

Module 22 — The Road to 6G + Capstone

4 lessons · ≈26 min

Hold an informed 6G conversation — scenarios, timeline, technologies.

  1. 1
    IMT-2030: the six usage scenarios
    Coming soon
  2. 2
    Rel-20 studies and the path to Rel-21
    Coming soon
  3. 3
    Research frontiers: ISAC, AI-native, FR3 and sub-THz
    Coming soon
  4. 4
    Capstone briefing: the end-to-end system, one last build
    Coming soon

Hands-on labs in this course

Apply each concept the moment you learn it — inspect real traces, debug configs and logs, and run a live 5G core.

Sandbox
Your First 5G UE Registration
Beginner20 min
Packet trace
5G Registration Failure — Metropolitan Region
Intermediate15 min
Sandbox
Debug a Failed UE Registration
Advanced30 min
Sandbox
Establishing a PDU Session
Intermediate25 min
Packet trace
5G PDU Session — Find the QoS Flow Setup Failure
Intermediate20 min
Sandbox
Break the Core: What Happens When the UPF Dies
Advanced30 min
Packet trace
Network Slicing End-to-End — Trace a Slice Selection
Advanced35 min
Config
NSSAI Design — BMW Munich Private 5G
Intermediate25 min
Log debug
Core Overload — AMF During Super Bowl Surge
Advanced35 min
Packet trace
SUCI / SUPI Privacy — Tracing Subscriber Privacy in 5G
Intermediate20 min
Packet trace
5G Roaming (Home-Routed) — Tracing SEPP and N32
Advanced30 min
Packet trace
VoNR Call Setup — Successful End-to-End
Intermediate25 min
Packet trace
IMS VoNR Registration — Debugging a SIP 401 Loop
Intermediate20 min
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