OpenBSC December 2025

openbsc@lists.osmocom.org

26 participants
37 discussions

Re: AMR on E1 BTS with tw-e1abis-mgw
by Sipos Csaba 28 Jan '26

28 Jan '26

Hi Mychaela, The AMR capability works great with your drop-in MGW implementation, voice quality improved a lot. I also tested the FR/EFR part earlier, which also works as expected. CSD is definitely interesting, once I have at least two CSD capable devices, I will give that a try as well. We already tried with a Nokia MetroSite, and early next year I am planning to try with our UltraSite setup at the museum as well. Would be nice to be able to send fax on top of GSM :-) The OML dialect we have in Osmocom now (called "nokia_site") despite its name it supports old Nokia equipment up to Felxi EDGE, Multiradio and Multiradio10 (on E1), if anyone else is interested, so OML support is not limited to just the Nokia *Site family. Some of this stuff is still running in less fortunate countries... Little bit of tweaking will likely needed, but at least it is not a completely unknown part like AoIP. Regards, Csaba

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OsmoNITB timeslots configuration and UmTRX
by Родион Гадыршин 27 Jan '26

27 Jan '26

Hello, list. I have umtrx v2.1 and I have already built GSM and GPRS components. Now I want to know which way of configuring timeslots in osmobsc.cfn is the best. I want GPRS, calls and SMS work. My current configuration is: timeslot 0 phys_chan_config CCCH+SDCCH4 hopping enabled 0 timeslot 1 phys_chan_config SDCCH8 hopping enabled 0 timeslot 2 phys_chan_config TCH/F hopping enabled 0 timeslot 3 phys_chan_config TCH/F hopping enabled 0 timeslot 4 phys_chan_config PDCH hopping enabled 0 timeslot 5 phys_chan_config PDCH hopping enabled 0 timeslot 6 phys_chan_config PDCH hopping enabled 0 timeslot 7 phys_chan_config PDCH hopping enabled 0 Is there a better way to configure? Maybe better use TCH/F_TCH/H_PDCH, but I have heard, that TCH/F is currently not working in dynamic configurations - only TCH/H does. And there is no only TCH/H_PDCH mode. So, could you please give me an advice?

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On the use of 'decmatch' in TTCN-3
by Harald Welte 27 Jan '26

27 Jan '26

Hi, I know that TTCN-3 is still new to a lot of you, but we are writing tons of integration testing against the various osmocom programs in it. It is quite amazing technology, and I would like to ask you to bear with me reading this mail :) Pau was stating the question earlier today on not finding an example on how to use decmatch. Indeed, it took me some months to find that gem in the TTCN-3 world. It solves the problem that you often have during test of layered protocol stacks: you have separate encoders/decoders for each protocol layer, and now you want to match on some of the *inner* payload. So normally, you have some kind of header definition + a binary (octetstring) payload. This happens in RSL with the L3_INFO IE, and just the same on BSSAP/DTAP where again the L3 message (for example call control) is encapsulated inside one information element. Now you have multiple options of addressing the problem: a) hand-written calls to the decoder function b) write na 'emulation' for the entire protocol layer c) use decmatch. a) would look like this (pseudo-code): var octetstring l3oct; var RSL_Message rsl RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, ?)) -> value rsl { var PDU_ML3_MS_NW l3 := dec_PDU_ML3_MS_NW(rsl.payload); if (match(l3, some_template)) { ... do something } ... } Which uses the built-in pattern-matching on the RSL port to match any message that matches the tr_RSL_DATA_REQ template, and stores the resulting RSL message in a variable. It then uses an explicit call to the decoder function of the L3 message, and then uses regular conditional expressions for further matching on that inner L3 payload. This is more or less how you would write in C, python or any other quite imperative programming languages. It's very verbose, time consuming and un-abstract/elegant. TTCN-3 has many declarative aspects to it. Code like the above is a waste of your time :) b) would mean that you implement some test component that handles the RSL messages on its bottom side test port, and the L3 messages on its top side test port. That is a possible way, and if you need a lot of state/logic of RSL, it maeks sense. But what if you really simply want to have a match? Then it would be a lot of effort and a large detour. c) decmatch to the rescue! You can write RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, decmatch tr_RRM_RR_STATUS)) which means: * do a receive on the RSL test port, and match on an incoming RSL message that matches the tr_RSL_DATA_REQ template, with channel number specified, link_id any (?), *and* if the octetstring payload, if decoded, matches the template tr_RRM_RR_STATUS ! This is *extremely* powerful and expressive. It allows you to condense complex, parametric template matching over multiple proocol layers. It would in the end match RSL DATA REQUEST, only if they contained a [valid] encoded RR STATUS. See https://gerrit.osmocom.org/6229 for the actual test case I used for the above examples. Please also note that I never had to even write the function name of the decoder (dec_PDU_ML3_MS_NW), but TTCN-3 *automatically* figures out which decoder function it must call in order to decode from the binary octetstring. Happy (TTCN-3) hacking + Osmocom bugfixing, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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cmd2 update causing pySim-shell to fail
by bryan coxwell 23 Jan '26

23 Jan '26

Hi all, Just wanted to share an issue and a quick workaround I found for it in case anyone else has the same problem. I believe a cmd2 update is causing pySim-shell to fail. After installing it on a fresh install of Ubuntu Server 20.04 and getting the following error when I run "python3 pySim-shell -p0": >Using PC/SC reader interface >Autodetected card type: sysmoUSIM-SJS1 >AIDs on card: > USIM: a0000000871002ffffffff8907090000 >Traceback (most recent call last): > File "pySim-shell.py", line 512, in <module> > app = PysimApp(card, rs, opts.script) > File "pySim-shell.py", line 59, in __init__ > super().__init__(persistent_history_file='~/.pysim_shell_history', allow_cli_args=False, use_ipython=True, auto_load_commands=False, command_sets=basic_commands, >startup_script=script) >TypeError: __init__() got an unexpected keyword argument 'use_ipython' If you run into this you can fix it by uninstalling cmd2 and reinstalling cmd2 with "pip3 install cmd2==1.5". Best, Bryan

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Best Review Platforms UK for Small Businesses in 2025?
by olivianaylor322＠gmail.com 23 Jan '26

23 Jan '26

Hey everyone! I'm looking to boost my online presence and would love some suggestions. What are the best review platforms UK https://truereviews.uk/ businesses are using right now? I'm mainly targeting local customers, so trustworthy and widely-used platforms are key. Any tips or experiences with Trustpilot, Google Reviews, or others? Thanks in advance!

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Need nano3G (S8 - Model 237A)
by Akib Sayyed 18 Jan '26

18 Jan '26

Dear List I am extremely sorry for off the topic question. I am willing to buy nano3G Nodeb. Is anyone in list have spare which can be sold. Please let me know. -- Akib Sayyed Matrix-Shell akibsayyed(a)gmail.com akibsayyed(a)matrixshell.com Mob:- +91-966-514-2243 <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

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osmo-gsm-manuals in project repos: I see no .pdf
by Neels Hofmeyr 08 Jan '26

08 Jan '26

Hi Oliver, so I merged the stuff to add the manuals to the individual git repositories, since you said that it works. But when I do --enable-manuals I don't see any PDF files generated. Also a manual 'make pdf' says "nothing to be done". (I probably should have tried it before merging after all) So what am I doing wrong? Alternatively, can you fix it please? ~N

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Excel in NURS FPX 4010 Assessments with Our Expert Online Tutoring
by williammores96＠gmail.com 05 Jan '26

05 Jan '26

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Head Soccer: The Ultimate Football Face-Off
by louispalmer1098＠gmail.com 30 Dec '25

30 Dec '25

Head Soccer brings an electrifying twist to classic football. Players control big-headed characters in fast-paced one-on-one matches filled with power-ups, kicks, and strategy. Every character has unique abilities that can turn the tide of the game in seconds. Timing and skill are crucial as you jump, shoot, and block your opponent’s goals. Whether you’re challenging AI or real players, Head Soccer delivers an addictive mix of humor, chaos, and competitive fun that keeps you coming back. Play at https://sportsgamesaz.io/head-soccer

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Wordle Unlimited Delivers Endless Word Challenges for Curious Minds
by blank.landfowl.rcmo＠protectsmail.net 30 Dec '25

30 Dec '25

Introduction to Wordle Unlimited Wordle Unlimited is a popular word puzzle game that expands the familiar daily word challenge into an unlimited experience. Unlike traditional daily word games that restrict players to one puzzle per day, Wordle Unlimited allows continuous play without waiting. This simple change transforms a short daily habit into a flexible and engaging activity suitable for all schedules. Players can enjoy quick rounds during breaks or long sessions dedicated to improving vocabulary and logic skills. https://wordleunlimitedgame.org/ The core idea remains easy to understand, making Wordle Unlimited accessible to beginners while still rewarding experienced puzzle fans. Each round encourages critical thinking, pattern recognition, and language awareness. These qualities explain why the game continues to attract a global audience. Core Gameplay Mechanics Basic Rules and Structure Wordle Unlimited follows a straightforward structure. Players attempt to guess a hidden five letter word within a limited number of tries. After each guess, the game provides visual feedback using color indicators. Correct letters in the correct position receive one color, correct letters in the wrong position receive another, and incorrect letters remain neutral. This feedback guides future guesses and helps players refine strategy. The absence of daily limits means players can restart immediately after finishing a round. This structure supports experimentation and learning through repetition. Over time, players begin to recognize common letter patterns and effective opening words. Difficulty and Learning Curve The difficulty level in Wordle Unlimited feels balanced. Early rounds often feel manageable, which builds confidence. As players continue, vocabulary depth and strategic thinking become more important. The game does not rely on complex rules, yet it rewards careful planning and attention to detail. New players can quickly grasp the basics, while dedicated players discover subtle strategies such as letter frequency analysis and elimination techniques. This gradual learning curve helps maintain long term engagement. Features That Make Wordle Unlimited Stand Out Unlimited Play Sessions The defining feature of Wordle Unlimited is unrestricted gameplay. Players no longer feel pressure to solve a puzzle within a single daily attempt. This freedom allows relaxed play and encourages experimentation with different word choices. Unlimited access also supports practice sessions, which help improve performance in other word games. This feature makes the game suitable for both casual entertainment and focused mental training. Players can choose their own pace without artificial limitations. Custom Word Length Options Many versions of Wordle Unlimited include adjustable word lengths. Players can choose shorter or longer words depending on preference. Shorter words offer quick challenges, while longer words increase complexity and demand deeper vocabulary knowledge. This customization adds variety and prevents monotony. Adjustable settings also allow players to tailor the experience to skill level. Beginners may start with simple options, while advanced players seek longer and more demanding puzzles. Cognitive and Educational Benefits Vocabulary Expansion Regular play encourages exposure to new words. Players often encounter unfamiliar terms and learn meanings through context. This natural learning process feels enjoyable rather than academic. Over time, vocabulary range improves without formal study. The game also reinforces spelling accuracy. Repeated interaction with letters and word structures helps players recognize correct patterns and avoid common mistakes. Logical Thinking and Focus Each round requires careful reasoning. Players must analyze feedback and adjust guesses logically. This process strengthens problem solving skills and attention to detail. The limited number of attempts encourages efficiency and thoughtful decision making. Wordle Unlimited also promotes focus. Short rounds require concentration without overwhelming the player. This balance makes the game suitable for mental refreshment during busy days. Community and Social Appeal Sharing Results and Strategies Many players enjoy sharing results with friends or online communities. Result grids provide a simple visual summary without revealing answers. This sharing culture fosters friendly competition and discussion about strategies. Community interaction adds motivation. Players compare approaches, discuss optimal starting words, and celebrate successful streaks. This social layer enhances enjoyment without requiring direct multiplayer modes. Accessibility Across Platforms Wordle Unlimited works smoothly across devices such as computers, tablets, and mobile phones. Simple design and minimal loading times improve accessibility. Players can enjoy consistent performance regardless of platform. This flexibility supports short play sessions anywhere. Easy access contributes to the game popularity and widespread adoption. Strategy Tips for Better Performance Choosing Strong Opening Words An effective opening word includes common vowels and consonants. This approach maximizes information gained from the first guess. Words with diverse letters help eliminate possibilities quickly and guide future attempts. Experimentation plays an important role. Unlimited rounds allow testing different starting words to identify what works best for personal style. Adapting Based on Feedback Successful play depends on adapting to feedback after each guess. Players should avoid repeating eliminated letters and focus on confirmed patterns. Careful observation prevents wasted attempts and increases success rates. Patience also matters. Rushing guesses often leads to mistakes. Thoughtful analysis improves outcomes and enhances satisfaction. Comparison With Daily Word Games Wordle Unlimited differs from daily word puzzles through flexibility. Daily formats create anticipation but limit practice opportunities. Unlimited play removes restrictions and supports continuous improvement. Both formats offer enjoyment, but Wordle Unlimited suits players who prefer freedom and repetition. The ability to replay instantly makes it ideal for learning and experimentation. Long Term Appeal and Replay Value Wordle Unlimited maintains interest through simplicity and variety. Custom settings, unlimited rounds, and evolving personal strategies prevent fatigue. Each puzzle feels familiar yet fresh due to changing word combinations. The game adapts well to different moods. Players can seek quick fun or deep focus depending on time and energy. This adaptability supports long term engagement. Conclusion Wordle Unlimited offers an engaging and flexible word puzzle experience that appeals to a wide audience. Simple rules, unlimited rounds, and cognitive benefits create a balanced mix of entertainment and mental exercise. Customization options and social sharing further enhance appeal.

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OpenBSC December 2025