Skip to main content
-
OsmoDevCall: "GSM-R and how it differs from GSM"
-
Notfallwarnung im Mobilfunknetz + Cell Broadcast (Teil 2)
-
Notfallwarnung im Mobilfunknetz + Cell Broadcast
-
36C3 Talks on SIM card technology / Mitel DECT
-
Software Freedom Podcast #3 about Free Software mobile phone communication
-
Sometimes software development is a struggle
-
Fernvale Kits - Lack of Interest - Discount
-
Wireshark dissector for 3GPP CBSP - traces wanted!
-
openmoko.org archive down due to datacenter issues
-
OsmoCon 2018 CfP closes on 2018-05-30
-
OsmoDevCon 2018 retrospective
-
34C3 and its Osmocom GSM/UMTS network
-
Osmocom Review 2017
-
Invited keynote + TTCN-3 talk at netdevconf 2.2 in Seoul
-
Purism Librem 5 campaign
-
The sad state of voice support in cellular modems
-
Osmocom jenkins test suite execution
-
IPv6 User Plane support in Osmocom
-
Virtual Um interface between OsmoBTS and OsmocomBB
-
FOSS misconceptions, still in 2017
-
How the Osmocom GSM stack is funded
-
Playing back GSM RTP streams, RTP-HR bugs
-
OsmoCon 2017 Updates: Travel Grants and Schedule
-
Osmocom - personal thoughts
-
Returning from TelcoSecDay 2017 / General Musings
-
Gory details of USIM authentication sequence numbers
-
GTA04 project halts GTA04A5 due to OMAP3 PoP soldering issues
-
Manual testing of Linux Kernel GTP module
-
Cellular re-broadcast over satellite
-
Osmocom Conference 2017 on April 21st
-
33C3 talk on dissecting cellular modems
-
Contribute to Osmocom 3.5G and receive a free femtocell
-
Accessing 3GPP specs in PDF format
-
The IT security culture, hackers vs. industry consortia
-
Going to attend Electromagnetic Field 2016
-
EC-GSM-IoT: Enhanced Coverage GSM for IoT
-
Deeper ventures into Ericsson (Packet) Abis
-
Osmocom.org GTP-U kernel implementation merged mainline
-
Developers wanted for Osmocom GSM related work
-
You can now install a GSM network using apt-get
-
Open Source mobile communications, security research and contributions
-
TelcoSecDay 2016: Open Source Network Elements for Security Analysis of Mobile Networks
-
Software under OSA Public License is neither Open Source nor Free Software
-
Osmocom.org migrating to redmine
-
Some update on recent OsmoBTS changes
-
netdevconf 1.1: Osmocom kernel-level GTP implementation
-
netdevconf 1.1: Running cellular infrastructure on Linux
-
On the OpenAirInterface re-licensing
-
32C3 is over, GSM and GPRS was running fine, osmo-iuh progress
-
32C3: Running your own 3G/3.5G cellular network
-
Anyone interested in supporting SMPP interworking at 32C3?
-
python-libsmpp works great with OsmoNITB
-
Python tool to talk to OsmoNITB MNCC interface
-
GSM test network at 32C3, after all
-
No GSM test network at 32C3
-
Osmocom Berlin meetings
-
Progress on the Linux kernel GTP code
-
What I've been busy with
-
hardwear.io 2015 keynote: Running cellular infrastructure on Linux
-
OpenFest 2014: SIM card protocol tracing using Osmocom SIMtrace
-
OpenFest 2014: Software Defined Radio using rtl-sdr
-
DORS/CLUC 2014: Keynote about Open Source Mobile Communications
-
DORS/CLUC 2014: Keynote about OpenBSC - running your own GSM network
-
Attending HITCON and COSCUP in Taipei
-
Inside a cavity duplexer
-
Kevin Redon starts collaborative Osmocom project to collect terminal profile
-
Announcing the low-power, light-weight sysmoBTS
-
Alcatel MTK phone UART pinout
-
More research into the Motorola Horizon macro and Mo-bis
-
New OsmocomBB RSSI monitor firmware
-
OP25 project joins hosting on osmocom.org
-
GSM Security Training at DeepSec
-
First OsmocomGMR code release
-
Ground-breaking research on APCO P25 security
-
Major bugfix release of SIMtrace firmware
-
Update on the GSM network at the CCC Camp 2011
-
On the recent THC release on the Vodafone femtocell
-
SIMtrace v1.0 prototypes are working out of the box
-
First working prototypes of Osmocom SIMtrace design
-
Exploring the Motorola Horizon macro BTS
-
ETSI and its ridiculous fees for old archived documents
-
Looking for documentation and/or protocol traces for Motorola Horizon BTS
-
Finally: A parseable MAPv1 ASN.1 specification
-
Following up on my GSM MAP archeology project
-
More MS Word for DOS file parsing in the name of GSM
-
Implementing a custom MS Word for DOS file parser to properly do GSM SS7
-
Starting to experiment with Anritsu MD8470A signalling generator
-
Struggling with adding Ericsson RBS support to OpenBSC
-
SS7 work: M2UA, MTP3 and ISUP message {de,en}coding
-
Supporting the HSL 2.75G femtocell from OpenBSC
-
OpenBSC field test at 27c3 over
-
Interview about GSM security (in German)
-
Preparations for GSM network at 27C3 conference
-
Learning how GPS _really_ works in order to truly understand RRLP
-
Wireshark patches enhancing IPA Abis/IP dissector accepted
-
Starting to work on drivers for the Mediatek MT6139/MT6140 RF Transceiver
-
Trying to understand Ericsson Abis-IP + OML
-
Announcing Osmocom SIMtrace: A smart card sniffer
-
Initial mt6235 Linux and u-boot code available
-
A brief history on the withdrawal of the A5/2 ciphering algorithm in GSM
-
All your baseband are belong to us
-
u-boot + Linux kernel port to Mediatek MT6235 baseband processor under way
-
Job Offer: GSM baseband security research in Berlin/Germany
-
Worlds first 20 minute voice call from a Free Software GSM stack on a phone
-
Working on a document on smartphone hardware architecture
-
Official wiki page on GSMTAP created
-
Playing more with Erlang
-
On the recent news items about the homebrew IMSI-catcher for 1500 USD
-
Dieter Spaar has started a blog
-
GSM Denial of Service by flooding BTS with RACH requests
-
A real-world practical A5/1 attack using airprobe and Kraken
-
Implementing the TCAP protocol, heading towards OsmoSGSN SS7 support
-
Major update in OpenBSC GPRS/EDGE support
-
The reason why you see paging by IMSI in real-world GSM networks
-
Back from OpenBTS workshop
-
Adding frequency hopping support to OpenBSC
-
A fairy tale about ICCIDs, IMSIs and iPads
-
Wanted: Packet traces of the MAP+TCAP based C/Gc interface
-
First functional HTTP transfer in my own GPRS/EDGE network
-
OpenGGSN Version 0.90 released
-
Doing even more encapsulations than the GPRS Gb interface already has
-
Back from a week of GSM/GPRS protocol coding/testing in Iceland
-
Heading for 4 days of Iceland to work on OpenBSC GPRS
-
CECT C3100: Not a phone, but a flashlight with integrated phone
-
GPRS progress in OpenBSC
-
OpenGGSN - An open source GGSN implementation
-
Working on GPRS support for OpenBSC again
-
Paper: Anatomy of contemporary GSM cellphones
-
OpenBTS workshop in June (Pfarrkirchen/Germany)
-
OsmocomBB now performing location updating procedure against GSM cell
-
Looking for documentation on sunplus SPMA100B
-
Restructuring OpenBSC and OsmocomBB code
-
Announcing OsmocomBB: Free Software / Open Source GSM Baseband firmware
-
In six weeks from bare hardware to receiving BCCHs
-
Symbian is Open Soruce - Really?
-
Sorry for new blog updates
-
Illusions about MagicJack at CES
-
Planning for a GSM development board
-
2010-01-02 / 2pm CET: Radio Interview at Deutschlandradio
-
OpenBSC now has handover support
-
German National Education and Research Network reports on OpenBTS and OpenBSC
-
GSM and UMTS: The Creation of Global Mobile Communication
-
Re-discovering the marvels of Nokia DCT-3: Blacksphere, MADos & Co.
-
OpenBSC: System Information + Rest Octet generation
-
Performance Enhancements in a Frequency Hopping GSM Network
-
Reverse engineering 16-in-1 Super SIM cards
-
David Burgess (OpenBTS) visiting me for a couple of days in Berlin
-
India setting up service stations to program IMEI into phones
-
Enabling jabber in WebOS on the Palm Pre using a binary patch
-
India prohibits import of GSM handsets without IMEI
-
A common misconception: GPRS encryption differs from GSM encryption
-
Implementing the GPRS protocol stack for OpenBSC
-
Differential Power Analysis on mobile phone?
-
Report on the OpenBSC powered GSM network at HAR2009
-
Lack of good Free / Open Source ASN.1 tools detrimental to FOSS in Telecom sphere
-
I'm looking for Ericsson BTS (RBS) A-bis OML traces
-
3G and: I hate ASN.1
-
GSM Security Workshop at DeepSec, Vienna
-
OpenBSC powered GSM network live at HAR2009
-
GSM test license for GSM900 at HAR2009
-
OpenBSC talk at HAR2009
-
Playing with the new airprobe.org GSM receiver
-
Legal dispute on OpenBTS has been resolved
-
Wireshark packet dissector for GSM 12.21 (A-bis OML)
-
ip.accesss nanoBTS serial port CLI
-
GSM wardriving has started
-
OpenBSC now has an API for integration with PBX systems
-
OpenBSC on its way to get funded A-interface development
-
OpenBSC: Support for multiple BTS / ipaccess-config
-
Podcast about OpenBSC at Chaosradio Express
-
OpenBSC:Work in handling incoming SMS
-
OpenBSC now has a Cisco/zebra/quagga style telnet interface
-
OpenBSC interoperability testing
-
OpenBSC: we now have working TCH/F voice calls
-
Progress on OpenBSC
-
OpenBSC get support for ip.access nanoBTS
-
Preparing the second big shipping of GSM BTS
-
OpenBSC: Coding multiplex/demultiplex of TRAU frames
-
Announcing project OpenBSC
-
Some more progress with the BS11 Abis (BSC) implementation
-
GSM hackers meeting at 25C3
-
Understanding the GSM Um Layer 1
-
Open source SIM card emulation, SIM card proxying: BLADOX
-
Some more GSM Abis experiments
-
Extending range of GSM cells by using only 4 channels
-
A Free software 3G protocol implementation: Wireless3G4Free
-
Things I learned about GSM, STK revisited.
-
Further studying of Abis protocols, moving towards implementation
-
Documentation for GSM BTS arrived
-
Proud owner of a GSM BTS