{"acronym":"osmodevcon2024","aspect_ratio":"16:9","updated_at":"2026-04-04T03:00:02.796+02:00","title":"OsmoDevCon 2024","schedule_url":"","slug":"conferences/osmocon/osmodevcon24","event_last_released_at":"2024-06-08T00:00:00.000+02:00","link":"","description":"","webgen_location":"conferences/osmocon/osmodevcon24","logo_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/logo.png","images_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024","recordings_url":"https://cdn.media.ccc.de/events/osmodevcon/2024","url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","events":[{"guid":"bfce510e-1dab-50b3-972b-8f59d50ce150","title":"Introduction to XDP, eBPF and AF_XDP","subtitle":null,"slug":"osmodevcon2024-204-introduction-to-xdp-ebpf-and-afxdp","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/RBXC3V/","description":"This talk provides a generic introduction to a set of modern Linux kernel technologies:\n\n* [eBPF](https://ebpf.io/what-is-ebpf/) (extended Berkeley Packet Filter) is a kind of virtual machine that runs sandboxed programs inside the Linux kernel.\n* [XDP](https://docs.cilium.io/en/latest/bpf/progtypes/#xdp) (eXpress Data Path) is a framework for eBPF that enables high-performance programmable packet processing in the Linux kernel\n* [AF_XDP](https://www.kernel.org/doc/html/next/networking/af_xdp.html) is an *address family* that is optimized for high-performance packet processing. It allows in-kernel XDP eBPF programs to efficiently pass packets to userspace via memory-mapped ring buffers.\n\nThe talk will provide a high-level overview. It should provide some basics before the other/later talks on bpftrace and eUPF.","original_language":"eng","persons":["Harald Welte 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Hofmeyr"],"tags":["osmodevcon2024","193","2024","osmodevcon2024","osmocom"],"view_count":53,"promoted":false,"date":"2024-05-03T15:15:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-03-18T06:45:03.388+01:00","length":2391,"duration":2391,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/193-759d6e67-4e54-5e2f-8cb8-38f7cea392b7.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/193-759d6e67-4e54-5e2f-8cb8-38f7cea392b7_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/193-759d6e67-4e54-5e2f-8cb8-38f7cea392b7.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/193-759d6e67-4e54-5e2f-8cb8-38f7cea392b7.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-193-codec-resolution-amr-rates-in-2g-3g-and-sip","url":"https://api.media.ccc.de/public/events/759d6e67-4e54-5e2f-8cb8-38f7cea392b7","conference_title":"OsmoDevCon 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This can be used as a low cost, high speed logic analyzer, ADC capture, DIY SDR etc.","original_language":"eng","persons":["Steve Markgraf"],"tags":["osmodevcon2024","200","2024","osmodevcon2024","osmocom"],"view_count":3867,"promoted":false,"date":"2024-05-05T12:30:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-04-04T01:45:03.278+02:00","length":2060,"duration":2060,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/200-690003c5-0b29-5864-ba13-d7587f5e225b.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/200-690003c5-0b29-5864-ba13-d7587f5e225b_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/200-690003c5-0b29-5864-ba13-d7587f5e225b.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/200-690003c5-0b29-5864-ba13-d7587f5e225b.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-200-low-cost-high-speed-data-acquisition-over-hdmi","url":"https://api.media.ccc.de/public/events/690003c5-0b29-5864-ba13-d7587f5e225b","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"3ffe7392-fdc2-5a14-be13-8f7f708bd6c8","title":"Lower Layer of osmo-trx-ms","subtitle":null,"slug":"osmodevcon2024-220-lower-layer-of-osmo-trx-ms","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/3SYDHF/","description":"Brief talk about the lower layers of osmo-trx-ms, the mobile-station side GSM transceiver","original_language":"eng","persons":["Eric Wild"],"tags":["osmodevcon2024","220","2024","osmodevcon2024","osmocom"],"view_count":84,"promoted":false,"date":"2024-05-04T14:30:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-01-26T08:45:06.934+01:00","length":1154,"duration":1154,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/220-3ffe7392-fdc2-5a14-be13-8f7f708bd6c8.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/220-3ffe7392-fdc2-5a14-be13-8f7f708bd6c8_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/220-3ffe7392-fdc2-5a14-be13-8f7f708bd6c8.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/220-3ffe7392-fdc2-5a14-be13-8f7f708bd6c8.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-220-lower-layer-of-osmo-trx-ms","url":"https://api.media.ccc.de/public/events/3ffe7392-fdc2-5a14-be13-8f7f708bd6c8","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"542c905f-d5a2-5cac-8c3e-a95aab25dbb5","title":"DebugMux: getting baseband logs from old Sony Ericsson phones","subtitle":null,"slug":"osmodevcon2024-185-debugmux-getting-baseband-logs-from-old-sony-ericsson-phones","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/XB9MRJ/","description":"DebugMux is a vendor specific interface/protocol exposed by [Sony] Ericsson phones and modems. Similar to QMI (Qualcomm MSM Interface), it allows debugging the GSM/GPRS/UMTS stack at run-time. In this talk I will demonstrate an open source DebugMux client software and share my findings about this interface, as well as other interfaces working on top of it.","original_language":"eng","persons":["Vadim Yanitskiy"],"tags":["osmodevcon2024","185","2024","osmodevcon2024","osmocom"],"view_count":144,"promoted":false,"date":"2024-05-03T18:30:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-02-19T00:30:05.792+01:00","length":2082,"duration":2082,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/185-542c905f-d5a2-5cac-8c3e-a95aab25dbb5.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/185-542c905f-d5a2-5cac-8c3e-a95aab25dbb5_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/185-542c905f-d5a2-5cac-8c3e-a95aab25dbb5.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/185-542c905f-d5a2-5cac-8c3e-a95aab25dbb5.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-185-debugmux-getting-baseband-logs-from-old-sony-ericsson-phones","url":"https://api.media.ccc.de/public/events/542c905f-d5a2-5cac-8c3e-a95aab25dbb5","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"17e2fc5b-bf9f-58e4-a0ab-c950b37babc7","title":"open5gs status: recent, current and future developments","subtitle":null,"slug":"osmodevcon2024-211-open5gs-status-recent-current-and-future-developments","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/TKCAPQ/","description":"The talk will provide an overview over\n* recent developments in open5gs (2023)\n* current areas of work\n* outlook / roadmap","original_language":"eng","persons":["Sukchan Lee"],"tags":["osmodevcon2024","211","2024","osmodevcon2024","osmocom"],"view_count":343,"promoted":false,"date":"2024-05-03T17:45:00.000+02:00","release_date":"2024-06-02T00:00:00.000+02:00","updated_at":"2026-03-26T12:00:06.394+01:00","length":1627,"duration":1627,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/211-17e2fc5b-bf9f-58e4-a0ab-c950b37babc7.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/211-17e2fc5b-bf9f-58e4-a0ab-c950b37babc7_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/211-17e2fc5b-bf9f-58e4-a0ab-c950b37babc7.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/211-17e2fc5b-bf9f-58e4-a0ab-c950b37babc7.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-211-open5gs-status-recent-current-and-future-developments","url":"https://api.media.ccc.de/public/events/17e2fc5b-bf9f-58e4-a0ab-c950b37babc7","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"32363bfa-8cdc-5ec8-b250-0e5bbfc65b8b","title":"GSMTAPv3 - The long-awaited successor","subtitle":null,"slug":"osmodevcon2024-181-gsmtapv3-the-long-awaited-successor","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/Q3XYVC/","description":"We all know the inherent problems of GSMTAP (v2) as we know it.  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A highly-loaded osmo-bsc spends most of its time in syscall entry and syscall exit.\n\n`io_uring` is a modern Linux kernel mechanism to avoid this syscall overhead. 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Now it is time to move forward. This workshop is focused on the next generation HERMES network stack, which hopefully will allow for worldwide deployment of the network.\n\nHERMES project provides a software stack (and hardware integration) for very-long distance telecommunication on HF band. Our focus currently are isolated communities (in terms of telecommunication access), especially in Amazon rain forest communities and Central Africa.\n\nOur current setup uses a proprietary P2P HF software-modem (called VARA) and UUCP on top of it, basically for email exchange, and ad-hoc file transfer and remote command execution.\n\nOur next-generation system will use an open-source modem (called Mercury) we are developing, together new upper network layers, which we are still evaluating (for eg., NNCP and Reticulum). We aim to expand the network world wide, for providing accessibility anywhere in the world through HF, and towards this goal, we'll carry this discussion / workshop for evaluation which would be the best options to take.\n\nWe are taking a couple of radios (sBitx v3) for a full chain demonstration, and also a fully functional board (without the enclosure) to donate to anyone who wants to play with HF telecom.","original_language":"eng","persons":["Rafael Diniz","Keith Whyte"],"tags":["osmodevcon2024","218","2024","osmodevcon2024","osmocom"],"view_count":173,"promoted":false,"date":"2024-05-05T19:00:00.000+02:00","release_date":"2024-06-02T00:00:00.000+02:00","updated_at":"2026-03-25T23:15:06.468+01:00","length":3707,"duration":3707,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/218-f445dedf-233e-5d2e-a753-2e2ebeef4be3.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/218-f445dedf-233e-5d2e-a753-2e2ebeef4be3_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/218-f445dedf-233e-5d2e-a753-2e2ebeef4be3.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/218-f445dedf-233e-5d2e-a753-2e2ebeef4be3.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-218-digital-telecommunication-in-hf-band-wwwan-world-wide-wireless-area-network","url":"https://api.media.ccc.de/public/events/f445dedf-233e-5d2e-a753-2e2ebeef4be3","conference_title":"OsmoDevCon 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(sysmocom)"],"tags":["osmodevcon2024","203","2024","osmodevcon2024","osmocom"],"view_count":108,"promoted":false,"date":"2024-05-05T11:45:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-03-04T14:00:10.347+01:00","length":1761,"duration":1761,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/203-e2615ac3-ae2f-5389-9577-80289e27e7ba.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/203-e2615ac3-ae2f-5389-9577-80289e27e7ba_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/203-e2615ac3-ae2f-5389-9577-80289e27e7ba.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/203-e2615ac3-ae2f-5389-9577-80289e27e7ba.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-203-using-bpftrace-to-analyze-osmocom-performance","url":"https://api.media.ccc.de/public/events/e2615ac3-ae2f-5389-9577-80289e27e7ba","conference_title":"OsmoDevCon 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modern Android phones will saturate the TRX' capacity even with only their DNS lookups for \"connectivity.google.com\" - Maybe somewhat ironically?\n\nI've considered various steps to try to mitigate this situation.\n\nA common goto is to interfere with DNS, but this is disastrous. \n\n* In some cases, if Android cannot reach 8.8.8.8, regardless of what the network said to use for DNS, it will simply try again.  - Of course, that can't be right. right?\n* If connectivity.google.com doesn't resolve, well that can't be right either, so try again. \n* If connectivity.google.com resolves, then HTTP GET /generate_204, and if this doesn't work, report to upper layer that there is no \"Internet\" and... you guessed it, try again.\n\nSo we have to allow these things, which in itself is OK, as once the 204 is received, the phone will (probably) leave that alone, at least for a few minutes, but what comes next is all of what one might imagine is in the various phones, checks for system updates, app stores updates, uploading all the surveillance info that the google \"services\" cached while disconnected, and *who knows what else. \n\n  *those running HTTP toolkit ;-)\n\nAnd that's before we even consider whatever is installed in \"user space\" (if such a thing can really be considered to exist on an Android device) starts.\n\nMy current solution to this is to allow a limited amount of services, and then use netfilter's TARPIT module to get the phones to back off from everything else.\n\nLet's look a little a that, and maybe discuss what other optimizations could be done - For example netfilter scheduling and queues at the GGSN's IP interface. How about limiting the DL bandwidth per IP at this point? Give ACKs and short packets priority? We could limit the bandwidth here to the TRX capacity, but what if there is more than one SGSN, maybe an unknown number of SGSN (and TRX) connected at any one time?\n\nNow I've pretty much said everything I had to say in this description! But if would be good to discuss it, you all probably have some ideas!","original_language":"eng","persons":["Keith Whyte"],"tags":["osmodevcon2024","196","2024","osmodevcon2024","osmocom"],"view_count":55,"promoted":false,"date":"2024-05-03T14:30:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-03-11T21:30:06.758+01:00","length":2133,"duration":2133,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/196-367ac5aa-8dbe-50d8-b62c-65555ebcaa95.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/196-367ac5aa-8dbe-50d8-b62c-65555ebcaa95_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/196-367ac5aa-8dbe-50d8-b62c-65555ebcaa95.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/196-367ac5aa-8dbe-50d8-b62c-65555ebcaa95.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-196-2-024-g","url":"https://api.media.ccc.de/public/events/367ac5aa-8dbe-50d8-b62c-65555ebcaa95","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"b42f726f-49a7-594d-9266-3bdcb73265b0","title":"Welcome to OsmoDevCon 2024","subtitle":null,"slug":"osmodevcon2024-189-welcome-to-osmodevcon-2024","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/NRLXAB/","description":"Welcome to the event, organizational matters, thanks to sponsors, ...","original_language":"eng","persons":["Harald Welte (sysmocom)"],"tags":["osmodevcon2024","189","2024","osmodevcon2024","osmocom"],"view_count":103,"promoted":false,"date":"2024-05-03T11:00:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-02-16T00:00:06.164+01:00","length":972,"duration":972,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/189-b42f726f-49a7-594d-9266-3bdcb73265b0.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/189-b42f726f-49a7-594d-9266-3bdcb73265b0_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/189-b42f726f-49a7-594d-9266-3bdcb73265b0.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/189-b42f726f-49a7-594d-9266-3bdcb73265b0.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-189-welcome-to-osmodevcon-2024","url":"https://api.media.ccc.de/public/events/b42f726f-49a7-594d-9266-3bdcb73265b0","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"6afe9919-dd80-507d-8ab6-16df8e487920","title":"my hobby dabbles at examining network traces","subtitle":null,"slug":"osmodevcon2024-195-my-hobby-dabbles-at-examining-network-traces","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/QRBB9Y/","description":"Often I get a 3GPP related network trace (pcap), and have to manually gather leads to find out what exactly is going on in it. I have tried different ways to automate the analysis part, and will share what I ended up with.\n\nI'll show my little tools that I played with to trace and visualize GSM network activity.\nImmature as all of it is, maybe it is interesting to share and form a vision of a helpful tool.\n\nFor example, when the task is to find out: at which network edge of a call leg do the RTP packets drop.\nFirst I need to know the chain of RTP ports that one particular subscriber uses.\nThen I need to count RTP packets arriving at each of them.\n\nAnother example, there are a bunch of {PFCP,MGCP} conversations, setting up the user plane vectors.\nAre all the ports configured correctly? I have to read through the entire {PFCP,MGCP} session to overlay all the bits that form the final result.\n\nAnother example, in a very active network, a particular voice call has a problem. How do I efficiently examine only those packets that are directly related to this particular TMSI / IMSI / RTP packet / RSL-ChanRef / ...","original_language":"eng","persons":["Neels Hofmeyr"],"tags":["osmodevcon2024","195","2024","osmodevcon2024","osmocom"],"view_count":106,"promoted":false,"date":"2024-05-04T18:15:00.000+02:00","release_date":"2024-06-01T00:00:00.000+02:00","updated_at":"2026-02-10T23:45:06.512+01:00","length":1295,"duration":1295,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/195-6afe9919-dd80-507d-8ab6-16df8e487920.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/195-6afe9919-dd80-507d-8ab6-16df8e487920_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/195-6afe9919-dd80-507d-8ab6-16df8e487920.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/195-6afe9919-dd80-507d-8ab6-16df8e487920.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-195-my-hobby-dabbles-at-examining-network-traces","url":"https://api.media.ccc.de/public/events/6afe9919-dd80-507d-8ab6-16df8e487920","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]},{"guid":"992de5fa-298f-5930-8d43-d78c1e7fc576","title":"My Kamailio Config","subtitle":null,"slug":"osmodevcon2024-207-my-kamailio-config","link":"https://pretalx.sysmocom.de/osmodevcon2024/talk/BUWUKG/","description":"This talk should maybe be titled \"How (NOT) to write a Kamailio Config\" :-)\n\nSome of us at Osmocom have had reason to use Kamailio in recent years, even if only as a basic endpoint for osmo-sip-connector to loop back to itself.\n\nKamailio is quite powerful, and it might be of interest to briefly go through the things I did with it, and also two other related FOSS projects: **SEMS** and **RTPENGINE**\n\n* Routing DID\n* Routing with Osmo dGSM\n* Gateway to Jitsi Conferences\n* Mangling Caller ID\n* Failover routing (Terrestrial/vSAT switch)\n* Codec Transcoding decisions (with multiple transcoding hosts and optional direct RTP without transcoding)\n\n*All this can be learned by reading Kamailo docs, however, there's nothing like learning from real experience, right? 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This talk will present the current state of the implementation and demonstrate how to use it.","original_language":"eng","persons":["Vadim Yanitskiy","Pau Espin Pedrol"],"tags":["osmodevcon2024","198","2024","osmodevcon2024","osmocom"],"view_count":116,"promoted":false,"date":"2024-05-03T11:30:00.000+02:00","release_date":"2024-06-03T00:00:00.000+02:00","updated_at":"2026-03-17T10:00:06.108+01:00","length":2176,"duration":2176,"thumb_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/198-f1c4ffaa-d654-59bf-a36b-386c4bbb8214.jpg","poster_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/198-f1c4ffaa-d654-59bf-a36b-386c4bbb8214_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/198-f1c4ffaa-d654-59bf-a36b-386c4bbb8214.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/osmodevcon/2024/198-f1c4ffaa-d654-59bf-a36b-386c4bbb8214.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/osmodevcon2024-198-gprs-support-in-osmocom-bb","url":"https://api.media.ccc.de/public/events/f1c4ffaa-d654-59bf-a36b-386c4bbb8214","conference_title":"OsmoDevCon 2024","conference_url":"https://api.media.ccc.de/public/conferences/osmodevcon2024","related":[]}]}