Search for person "Harald Lemke" returned 113 results

Demystifying eSIM Technology

• Milliways
• 57 min
• 2023-08-15
• 11.2k
• Harald Welte
Chaos Communication Camp 2023

Haralds Basteleien

Vom Shell-Skript für TuX auf dem Wafer zu BlinkenLights für…

• Development
• 59 min
• 2023-08-05
• 176
• Harald König
FrOSCon 2023

Building wired RF test setups for cellular networks

• osmodevcall Berlin
• 78 min
• 2023-07-19
• 183
• Harald "LaF0rge" Welte
osmodevcall

Teletex: The brief abandoned step between Telex and Telefax

• retronetcall Berlin
• 48 min
• 2023-06-07
• 304
• Harald "LaF0rge" Welte
RetroNetCall

Circuit Switched Data (CSD) in GSM

• osmodevcall Berlin
• 62 min
• 2023-03-15
• 194
• Harald "LaF0rge" Welte
osmodevcall

Spritpreis-Monitoring

• Vortrag
• 87 min
• 2023-03-12
• 359
• Harald König
Chemnitzer Linux-Tage 2023

Introduction to the X.21 interface

• retronetcall Berlin
• 49 min
• 2023-03-01
• 198
• Harald "LaF0rge" Welte
RetroNetCall

Datex-L: The German CSPDN (Circuit Switched Public Data Network)

• retronetcall Berlin
• 52 min
• 2023-02-01
• 351
• Harald "LaF0rge" Welte
RetroNetCall

ISDN B-Channel protocols (X.75, V.120, V.110, T.70, ...)

• retronetcall Berlin
• 64 min
• 2022-12-07
• 747
• Harald "LaF0rge" Welte
RetroNetCall

OCTOI project status update (Nov 2022)

• retronetcall Berlin
• 53 min
• 2022-11-09
• 221
• Harald "LaF0rge" Welte
RetroNetCall

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why

• osmodevcall Berlin
• 59 min
• 2022-10-19
• 2.2k
• Harald "LaF0rge" Welte
osmodevcall

OCTOI

Das Community-ISDN-/TDM-Netzwerk

• 71 min
• 2022-10-09
• 430
• Harald Welte
Vintage Computing Festival Berlin 2022

Osmocom Community TDMoIP (OCTOI)

• osmodevcall Berlin
• 65 min
• 2022-04-29
• 125
• Harald "LaF0rge" Welte
osmodevcall

Advanced SIM card topics: GlobalPlatform SCP02, OTA, ARA-M, ISIM

• osmodevcall Berlin
• 70 min
• 2022-02-25
• 465
• Harald "LaF0rge" Welte
osmodevcall

Decoding Stars: Spektroskopische Messungen an Himmelsobjekten vom Garten (Hamburg) aus

• Chaosstudio Hamburg - Fascinating Astronomy
• 44 min
• 2021-12-30
• 731
• Harald Daumann
rC3 NOWHERE

Retronetworking: V5 interfaces in ISDN/PSTN

• osmodevcall Berlin
• 64 min
• 2021-12-28
• 268
• Harald "LaF0rge" Welte
osmodevcall

Control/User Plane Separation (CUPS) and PFCP

• osmodevcall Berlin
• 40 min
• 2021-11-25
• 444
• Harald "LaF0rge" Welte
osmodevcall

E1, TDM, PDH, SDH, Basics

• osmodevcall Berlin
• 28 min
• 2021-11-12
• 195
• Harald "LaF0rge" Welte
osmodevcall

SIM card profile creation, personalization, production

• osmodevcall Berlin
• 34 min
• 2021-10-22
• 749
• Harald "LaF0rge" Welte
osmodevcall

osmo-remsim in practice

• osmodevcall Berlin
• 36 min
• 2021-08-27
• 299
• Harald "LaF0rge" Welte
osmodevcall

ZigBee gegen Klima und Covid-19

• 67 min
• 2021-08-21
• 157
• Harald König
FrOSCon 2021 Cloud-Edition

GSM-R and how it differs from GSM

• osmodevcall Berlin
• 55 min
• 2021-08-13
• 625
• Harald "LaF0rge" Welte
osmodevcall

High-Level into to IMS, VoLTE & VoWiFi

• osmodevcall Berlin
• 35 min
• 2021-07-23
• 348
• Harald "LaF0rge" Welte
osmodevcall

SS7 and SIGTRAN in 2G/3G networks

• osmodevcall Berlin
• 55 min
• 2021-05-14
• 386
• Harald "LaF0rge" Welte
osmodevcall

pySim-shell - next generation SIM configuration tool

• osmodevcall Berlin
• 50 min
• 2021-04-09
• 3.0k
• Harald "LaF0rge" Welte
osmodevcall