Search for "Harald "LaF0rge" Welte"

Circuit Switched Data (CSD) in GSM

• osmodevcall Berlin
• 62 min
• 2023-03-15
• 126
• Harald "LaF0rge" Welte

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

• osmodevcall Berlin
• 70 min
• 2022-02-25
• 206
• Harald "LaF0rge" Welte

OCTOI project status update (Nov 2022)

• retronetcall Berlin
• 53 min
• 2022-11-09
• 191
• Harald "LaF0rge" Welte

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why

• osmodevcall Berlin
• 59 min
• 2022-10-19
• 775
• Harald "LaF0rge" Welte

Retronetworking: V5 interfaces in ISDN/PSTN

• osmodevcall Berlin
• 64 min
• 2021-12-28
• 182
• Harald "LaF0rge" Welte

SIM card profile creation, personalization, production

• osmodevcall Berlin
• 34 min
• 2021-10-22
• 469
• Harald "LaF0rge" Welte

osmo-remsim in practice

• osmodevcall Berlin
• 36 min
• 2021-08-27
• 204
• Harald "LaF0rge" Welte

Using pySim-shell on sysmoISIM-SJA5 cards

• osmodevcall Berlin
• 61 min
• 2023-12-20
• 63
• Harald "LaF0rge" Welte

Building wired RF test setups for cellular networks

• osmodevcall Berlin
• 78 min
• 2023-07-19
• 91
• Harald "LaF0rge" Welte

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

• retronetcall Berlin
• 52 min
• 2023-02-01
• 282
• Harald "LaF0rge" Welte

E1, TDM, PDH, SDH, Basics

• osmodevcall Berlin
• 28 min
• 2021-11-12
• 116
• Harald "LaF0rge" Welte

SS7 and SIGTRAN in 2G/3G networks

• osmodevcall Berlin
• 55 min
• 2021-05-14
• 221
• Harald "LaF0rge" Welte

pySim-shell - next generation SIM configuration tool

• osmodevcall Berlin
• 50 min
• 2021-04-09
• 870
• Harald "LaF0rge" Welte

DG102: Commercial Cellular Base Station Technology

• 75 min
• 2019-09-10
• 501
• Harald "LaF0rge" Welte

A tour of DIVF, our OCTOI central office using yate, dahdi-trunkdev and more

• retronetcall Berlin
• 71 min
• 2023-12-06
• 20
• Harald "LaF0rge" Welte

Teletex: The brief abandoned step between Telex and Telefax

• retronetcall Berlin
• 48 min
• 2023-06-07
• 180
• Harald "LaF0rge" Welte

Control/User Plane Separation (CUPS) and PFCP

• osmodevcall Berlin
• 40 min
• 2021-11-25
• 415
• Harald "LaF0rge" Welte

GSM-R and how it differs from GSM

• osmodevcall Berlin
• 55 min
• 2021-08-13
• 427
• Harald "LaF0rge" Welte

Osmocom 2020 review

• osmodevcall Berlin
• 50 min
• 2021-03-12
• 64
• Harald "LaF0rge" Welte

Exploring eUICCs and eSIMS using pySim, lpac and osmo-smdpp

• osmodevcall Berlin
• 85 min
• 2024-01-17
• 278
• Harald "LaF0rge" Welte

Introduction to the X.21 interface

• retronetcall Berlin
• 49 min
• 2023-03-01
• 156
• Harald "LaF0rge" Welte

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

• retronetcall Berlin
• 64 min
• 2022-12-07
• 562
• Harald "LaF0rge" Welte

Osmocom Community TDMoIP (OCTOI)

• osmodevcall Berlin
• 65 min
• 2022-04-29
• 85
• Harald "LaF0rge" Welte

High-Level into to IMS, VoLTE & VoWiFi

• osmodevcall Berlin
• 35 min
• 2021-07-23
• 251
• Harald "LaF0rge" Welte

Running your own 3G/3.5G network

OpenBSC reloaded

• 56 min
• 2015-12-27
• 11348
• LaForge