Unrelated to us, chrismoos has just released what looks like a rather comprehensive implementation of the CDMA2000 1x cellular system as open source. From a SDR PHY through RAN to CN. It includes the signaling plane, circuit swithced calls, messaging (SMSC) and packet (IP) data.
See https://1xbts.org/ and https://github.com/chrismoos/1xbts for more infromation. #cdma2000 #retronetworking #cellular #sdr
Open Source Mobile Comms
mastodon 4.7.3We started in 2008 to spearhead open source development in cellular protocol stacks. Today we cover most of 2G, parts of 3G and bits of 4G. searchable via tootfinder.
After some hiatus, we're happy to announce there will be a new RetroNetCall on July 8th, 2026 at 8pm CEST. Andreas "jolly" Eversberg will tell us how he finally managed to enable and play with the LI (Lawful Intercept) features of the Siemens EWSD digital telephone exchange. See https://osmocom.org/news/327 #retronetworking #telecom #EWSD #ISDN #retrocomputing
Make VoWiFi calls from an open source client using asterisk: https://osmocom.org/news/297 - osmocom main contributor @sysmocom@mastodon.social has recently released a forked version of asterisk that can be used to make VoWiFi calls using nothing but FOSS, a smart card reader and a SIM card. #foss #opensource #telecom #3gpp
We've started to deploy Anubis on osmocom.org (redmine and gitea for now) in order to protect our servers against excessive load from annoying AI scrapers. See https://osmocom.org/news/307 for details.
Tonight is the next incarnation of RetroNetCall, our monthly virtual get-together of the #retronetworking community. Anyone with an interest in historical digital communications is welcome 20:00 CET tonight. Details at https://osmocom.org/projects/retronetworking/wiki/RetroNetCall
We have made several minor releases of Osmocom software, primarily to address 32bit builds on Debian 13. See https://osmocom.org/news/311 for mor einformation. #Debian13 #debian #osmocom
In case someone is still aiming for completing their collection of OsmocomBB compatible #GSM phones: @dreieck@chaos.social is giving away two Pirelli DP-L10: https://discourse.osmocom.org/t/2x-pirelli-dp-l10-t-com-tc-300-to-give-away/2449
At our next RetroNetCall on August 6th, 2025, we will welcome the former Lead Engineer of the SEL/Alcatel Sytem 12 digital telephone switch. If you have any interest in historical digital telephony switching, don't miss out on this opportunity:
https://discourse.osmocom.org/t/retronetcall-2025-08-06-sel-alcatel-system-12/2246 #retronetworking #isdn #telecom #telephony #telecomhistory
Not new, but we didn't announce it yet: All the #OsmoDevCon 2024 video recordings are available at https://media.ccc.de/c/osmodevcon2024 - thanks to all the speakers and @c3voc@chaos.social for recording/editing/releasing the video recordings
We're extremely excited to announce the RetroNetCall of August 6th, 2025 at 20:00 CEST, where we will be joined by Mr. Langenbach-Belz, the former head of development of the SEL/Alcatel System 12 digital telephone switch. See https://osmocom.org/news/309
Based on poll results, this will be a German-language RetroNet call
We're happy to announce that on Wed, Apr 23rd, 2025 we'll have an #OsmoDevCall without a formal presentation part. Details at https://osmocom.org/news/304 - anyone interested is welcome to join us #osmocom #gsm #3gpp
SSH host key roll-over announcement of gerrit.osmocom.org code review: https://osmocom.org/news/321
We're happy to announce the release of osmo-pcap 0.7.0 containing a couple of important (non-security) bug fixes. See https://osmocom.org/news/296 for the release announcement. Source code and binary packages are available via https://downloads.osmocom.org/
#osmocom has just tagged the July 2024 Cellular Network Infrastructure releases.Those are the first releases with io_uring support for significant performance/scalability improvements. See the release announcement at https://osmocom.org/news/264 for details

