Search for person "Harald Welte"

Demystifying eSIM Technology
57 min

Demystifying eSIM Technology

Detailed workings of OTA for SIM/USIM/eUICC
28 min

Detailed workings of OTA for SIM/USIM/eUICC

GSMA IoT eSIM (as opposed to consumer or M2M)
37 min

GSMA IoT eSIM (as opposed to consumer or M2M)

Classic PCM30 with channel-associated signaling
47 min

Classic PCM30 with channel-associated signaling

Using bpftrace to analyze osmocom performance
29 min

Using bpftrace to analyze osmocom performance

Introduction to XDP, eBPF and AF_XDP
72 min

Introduction to XDP, eBPF and AF_XDP

GlobalPlatform in USIM and eUICC
34 min

GlobalPlatform in USIM and eUICC

Welcome to OsmoDevCon 2024
16 min

Welcome to OsmoDevCon 2024

Group 4 Facsimile Service (Fax G4)
59 min

Group 4 Facsimile Service (Fax G4)

OCTOI
71 min

OCTOI

Das Community-ISDN-/TDM-Netzwerk

Using pySim-shell on sysmoISIM-SJA5 cards
61 min

Using pySim-shell on sysmoISIM-SJA5 cards

Anatomy of the eSIM profile
51 min

Anatomy of the eSIM profile

Building wired RF test setups for cellular networks
78 min

Building wired RF test setups for cellular networks

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

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

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

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

Circuit Switched Data (CSD) in GSM
62 min

Circuit Switched Data (CSD) in GSM

OCTOI project status update (Nov 2022)
53 min

OCTOI project status update (Nov 2022)

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

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

Teletex: The brief abandoned step between Telex and Telefax
48 min

Teletex: The brief abandoned step between Telex and Telefax

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why
59 min

Osmocom SIMtrace2 Tutorial - SIM protocol tracing: how & why

Introduction to the X.21 interface
49 min

Introduction to the X.21 interface

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

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

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

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

Retronetworking: V5 interfaces in ISDN/PSTN
64 min

Retronetworking: V5 interfaces in ISDN/PSTN

High-performance I/O using io_uring via osmo_io
36 min

High-performance I/O using io_uring via osmo_io