Search for "Harald Welte" returned 311 results

Classic PCM30 with channel-associated signaling

• Virtual retronetcall-eng
• 47 min
• 2024-08-07
• 32
• Harald "LaF0rge" Welte
RetroNetCall

Using bpftrace to analyze osmocom performance

• osmodevcon2024 osmocom
• 29 min
• 2024-05-05
• 108
• Harald Welte (sysmocom)
OsmoDevCon 2024

Introduction to XDP, eBPF and AF_XDP

• osmodevcon2024 osmocom
• 72 min
• 2024-05-05
• 864
• Harald Welte (sysmocom)
OsmoDevCon 2024

GlobalPlatform in USIM and eUICC

• osmodevcon2024 osmocom
• 34 min
• 2024-05-04
• 509
• Harald Welte (sysmocom)
OsmoDevCon 2024

Detailed workings of OTA for SIM/USIM/eUICC

• osmodevcon2024 osmocom
• 28 min
• 2024-05-04
• 725
• Harald Welte (sysmocom)
OsmoDevCon 2024

Circuit Switched Data (CSD) in GSM

• osmodevcall Berlin
• 62 min
• 2023-03-15
• 186
• Harald "LaF0rge" Welte
osmodevcall

OCTOI project status update (Nov 2022)

• retronetcall Berlin
• 53 min
• 2022-11-09
• 219
• Harald "LaF0rge" Welte
RetroNetCall

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why

• osmodevcall Berlin
• 59 min
• 2022-10-19
• 2.0k
• Harald "LaF0rge" Welte
osmodevcall

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

• osmodevcall Berlin
• 70 min
• 2022-02-25
• 462
• Harald "LaF0rge" Welte
osmodevcall

Retronetworking: V5 interfaces in ISDN/PSTN

• osmodevcall Berlin
• 64 min
• 2021-12-28
• 266
• Harald "LaF0rge" Welte
osmodevcall

SIM card profile creation, personalization, production

• osmodevcall Berlin
• 34 min
• 2021-10-22
• 728
• Harald "LaF0rge" Welte
osmodevcall

osmo-remsim in practice

• osmodevcall Berlin
• 36 min
• 2021-08-27
• 275
• Harald "LaF0rge" Welte
osmodevcall

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

• osmodevcall Berlin
• 85 min
• 2024-01-17
• 1.8k
• Harald "LaF0rge" Welte
osmodevcall

Introduction to the X.21 interface

• retronetcall Berlin
• 49 min
• 2023-03-01
• 195
• Harald "LaF0rge" Welte
RetroNetCall

Anatomy of the eSIM profile

• osmodevcon2024 osmocom
• 51 min
• 2024-05-04
• 1.4k
• Harald Welte (sysmocom)
OsmoDevCon 2024

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

• retronetcall Berlin
• 64 min
• 2022-12-07
• 741
• Harald "LaF0rge" Welte
RetroNetCall

Osmocom Community TDMoIP (OCTOI)

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

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

• retronetcall Berlin
• 71 min
• 2023-12-06
• 61
• Harald "LaF0rge" Welte
RetroNetCall

High-Level into to IMS, VoLTE & VoWiFi

• osmodevcall Berlin
• 35 min
• 2021-07-23
• 342
• Harald "LaF0rge" Welte
osmodevcall

Teletex: The brief abandoned step between Telex and Telefax

• retronetcall Berlin
• 48 min
• 2023-06-07
• 290
• Harald "LaF0rge" Welte
RetroNetCall

Control/User Plane Separation (CUPS) and PFCP

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

GSM-R and how it differs from GSM

• osmodevcall Berlin
• 55 min
• 2021-08-13
• 618
• Harald "LaF0rge" Welte
osmodevcall

Osmocom 2020 review

• osmodevcall Berlin
• 50 min
• 2021-03-12
• 83
• Harald "LaF0rge" Welte
osmodevcall

Running your own GSM stack on a phone

Introducing Project OsmocomBB

• 61 min
• 2010-12-29
• 537
• Harald Welte and Steve Markgraf
27C3: We Come In Peace

Project Sputnik

Realtime in-building location tracking at the 23C3

• 135 min
• 2006-12-27
• 90
• Harald Welte and Milosch Meriac
23C3: Who can you trust?