Search for person "Harald Welte (sysmocom)"

Welcome to OsmoDevCon 2024

• osmodevcon2024 osmocom
• 16 min
• 2024-05-03
• 59
• Harald Welte (sysmocom)

Anatomy of the eSIM profile

• osmodevcon2024 osmocom
• 51 min
• 2024-05-04
• 353
• Harald Welte (sysmocom)

Detailed workings of OTA for SIM/USIM/eUICC

• osmodevcon2024 osmocom
• 28 min
• 2024-05-04
• 199
• Harald Welte (sysmocom)

Using bpftrace to analyze osmocom performance

• osmodevcon2024 osmocom
• 29 min
• 2024-05-05
• 34
• Harald Welte (sysmocom)

Introduction to XDP, eBPF and AF_XDP

• osmodevcon2024 osmocom
• 72 min
• 2024-05-05
• 217
• Harald Welte (sysmocom)

GlobalPlatform in USIM and eUICC

• osmodevcon2024 osmocom
• 34 min
• 2024-05-04
• 157
• Harald Welte (sysmocom)

High-performance I/O using io_uring via osmo_io

• osmodevcon2024 osmocom
• 36 min
• 2024-05-03
• 65
• Andreas Eversberg and Harald Welte (sysmocom)

Demystifying eSIM Technology

• Milliways
• 57 min
• 2023-08-15
• 8824
• Harald Welte

OCTOI

Das Community-ISDN-/TDM-Netzwerk

• 71 min
• 2022-10-09
• 292
• Harald Welte

Circuit Switched Data (CSD) in GSM

• osmodevcall Berlin
• 62 min
• 2023-03-15
• 134
• Harald "LaF0rge" Welte

Using pySim-shell on sysmoISIM-SJA5 cards

• osmodevcall Berlin
• 61 min
• 2023-12-20
• 107
• Harald "LaF0rge" Welte

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

• retronetcall Berlin
• 71 min
• 2023-12-06
• 24
• Harald "LaF0rge" Welte

Building wired RF test setups for cellular networks

• osmodevcall Berlin
• 78 min
• 2023-07-19
• 95
• Harald "LaF0rge" Welte

OCTOI project status update (Nov 2022)

• retronetcall Berlin
• 53 min
• 2022-11-09
• 197
• Harald "LaF0rge" Welte

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why

• osmodevcall Berlin
• 59 min
• 2022-10-19
• 845
• Harald "LaF0rge" Welte

Teletex: The brief abandoned step between Telex and Telefax

• retronetcall Berlin
• 48 min
• 2023-06-07
• 185
• Harald "LaF0rge" Welte

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

• osmodevcall Berlin
• 85 min
• 2024-01-17
• 351
• Harald "LaF0rge" Welte

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

• retronetcall Berlin
• 52 min
• 2023-02-01
• 291
• Harald "LaF0rge" Welte

Introduction to the X.21 interface

• retronetcall Berlin
• 49 min
• 2023-03-01
• 159
• 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

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

• osmodevcall Berlin
• 70 min
• 2022-02-25
• 225
• Harald "LaF0rge" Welte

Retronetworking: V5 interfaces in ISDN/PSTN

• osmodevcall Berlin
• 64 min
• 2021-12-28
• 183
• Harald "LaF0rge" Welte

SIM card profile creation, personalization, production

• osmodevcall Berlin
• 34 min
• 2021-10-22
• 490
• Harald "LaF0rge" Welte

Osmocom Community TDMoIP (OCTOI)

• osmodevcall Berlin
• 65 min
• 2022-04-29
• 88
• Harald "LaF0rge" Welte

osmo-remsim in practice

• osmodevcall Berlin
• 36 min
• 2021-08-27
• 208
• Harald "LaF0rge" Welte