OpenBSC

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4315 discussions

osmo-msc release?
by Neels Hofmeyr 16 Sep '23

16 Sep '23

I just noticed that a release was made, ignoring this remark in osmo-msc's TODO-RELEASE: MNCC osmo-sip-connector should do full SDP via MNCC and be released at the same time as the next osmo-msc, ask neels, thanks https://gerrit.osmocom.org/c/osmo-msc/+/34386 There is no full SDP support in current osmo-sip-connector. In fact the patch for that is just now becoming ready for merge: https://gerrit.osmocom.org/c/osmo-sip-connector/+/16222 I guess we should get the sipcon patch merged, and follow up with another sipcon release. ~N

5 9

icE1USB gateware
by Sipos Csaba 16 Sep '23

16 Sep '23

Dear list, I built an icE1USB device so I can provide stable clock to my legacy Nokia BTS. I have not found any information about how to bring up a completely empty device, so I just took the icE1usb-202210-5890f3e4.bin file and flashed it to the SPI flash, yet the device is not booting. Maybe something else is missing (like a boot block), or the binary has to be flashed with an offset? The device takes 80mA in this state, USB device is not recognized on the host. Thanks!

2 9

September 2023 Osmocom CNI releases (202302)
by Pau Espin Pedrol 14 Sep '23

14 Sep '23

Hi all, I am happy to announce that a new version 202309 of the Osmocom CNI (Cellular Network Infrastructure) software has been released this week. For further information, please visit: https://osmocom.org/news/220 Regards, Pau -- - Pau Espin Pedrol <pespin(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

1 0

Re: Libraries not found when using nightly
by Sipos Csaba 11 Sep '23

11 Sep '23

Hi Vadim, You are probably correct, in the mean time I recompiled everything, so it works now, but most likely the *-dev packages were missing. Thanks for pointing that out! Another question I have is about displaying the Osmo-BSC logs: I am working on a museum setup and would be nice to show the BSC log output on the screen when there is activity. I wonder if there is a practical way to do that without altering the systemd part. Regards, Csaba

2 1

Libraries not found when using nightly
by Sipos Csaba 09 Sep '23

09 Sep '23

Dear List, I face the problem that when I am in general using the nightly builds on Ubuntu 20.04, but I want to compile a specific project (Osmo-BSC in this case), the configure script is not able to find the Osmocom libraries which are already installed and available. Output of the configure script: configure: error: Package requirements (libosmocore >= 1.8.0) were not met: Package 'libosmocore', required by 'virtual:world', not found Libosmocore is available on the system: root@openbsc:~/osmo-bsc_bootstrap_mod/osmo-bsc# ldconfig -v|grep libosmocore /sbin/ldconfig.real: Can't stat /usr/local/lib/i386-linux-gnu: No such file or directory /sbin/ldconfig.real: Path `/usr/lib/i386-linux-gnu' given more than once /sbin/ldconfig.real: Can't stat /usr/local/lib/i686-linux-gnu: No such file or directory /sbin/ldconfig.real: Can't stat /lib/i686-linux-gnu: No such file or directory /sbin/ldconfig.real: Can't stat /usr/lib/i686-linux-gnu: No such file or directory /sbin/ldconfig.real: Can't stat /usr/local/lib/x86_64-linux-gnu: No such file or directory /sbin/ldconfig.real: Path `/usr/lib/x86_64-linux-gnu' given more than once /sbin/ldconfig.real: Path `/lib/x86_64-linux-gnu' given more than once /sbin/ldconfig.real: Path `/usr/lib/x86_64-linux-gnu' given more than once /sbin/ldconfig.real: Path `/usr/lib' given more than once /sbin/ldconfig.real: /lib/i386-linux-gnu/ld-2.31.so is the dynamic linker, ignoring /sbin/ldconfig.real: /lib/x86_64-linux-gnu/ld-2.31.so is the dynamic linker, ignoring libosmocore.so.20 -> libosmocore.so.20.0.0 Can someone help me with what kind of flags do I need to provide to the configure script and how? Much appreciate the help! Regards, Csaba

2 1

GPRS hardware recommendations
by Ben Huntsman 09 Sep '23

09 Sep '23

Hi all- I'm trying to get a GPRS network set up to serve a few old phones I have, but I don't really need anything beyond that. There's a daunting array of choices and scant documentation out there, so I just thought I'd ask, does anyone have any recommendations for what the least expensive hardware solution to implement GPRS would be? In particular though, I'd like to go with commercial non-SDR hardware, and I'd rather spend a tiny bit more if it would get something smaller... Are there any good GPRS-capable femtocells that work well with the Osmo stack? I'm looking at some old Ericsson gear but hoping for something more compact. Thanks in advance! -Ben

3 7

Can I build my own GMR satellite/base station and core network based on OpenBSC?
by 1191595017＠qq.com 07 Sep '23

07 Sep '23

Dear Osmocom community, Can I build my own GMR satellite/base station and core network based on open-source software (e.g. osmo-bts) and SDR? GMR is mentioned in the Osmo-bts user manual, but it doesn't say if it is implemented and how to configure it. If Osmo-bts doesn't work, is there any other project to build my own GMR base station and establish a connection with a GMR device? Best regards, Wei

1 0

Manually choose frequencies for osmotrx
by Enzo Damato 27 Aug '23

27 Aug '23

Hello. I am working on setting up an osmoTRX based base station. Where I am in the US, between 902 and 928 MHz is part of the ISM spectrum, and unregulated. Therefore, I would like to configure my base station to use both an uplink and down link frequency within this range. However, none of the pre-existing ARFCN options have both the uplink and downlink frequencies within this band. Is it possible to manually shift the frequency used by the base station, or manually select the up/down frequencies so that both remain within this range? Thank you for your help, Enzo Damato

6 14

Manually choose frequencies for osmotrx
by edamato＠ctc.sh 25 Aug '23

25 Aug '23

1 0

Re: Welcome SMS for on-demand subscribers
by Sipos Csaba 14 Aug '23

14 Aug '23

Hi Keith, > Is it an artwork by any chance? We are saving a Nokia UltraSite and building an as fully functional GSM network as much as it is possible. We have a bit of a LAPD issue on the multi-TRX side of things as the current RSL bootstrap code is really only practical for the InSite units, so that needs some work, but at least the OM data we send is confirmed to be correct, and I can make a single TRX work. One other thing would be nice to have is Cell Broadcast, that part also does not work yet, but lets keep that issue separated. Your second link requires a gitlab login. Is there a more accessible way to get that patch? :-) Thanks! Regards, Csaba

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