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Osmocom's Base Station Controller for 2G mobile networks https://osmocom.org/projects/osmobsc
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Vadim Yanitskiy ff5ceeadb8 VTY: fix NULL-pointer dereference in lchan_act_single() 
Without this guard, a command like this can crash osmo-bsc:

  OsmoBSC# bts 0 trx 0 timeslot 0 sub-slot 0 activate fr

when timeslot 0 is configured as non-combined 'CCCH'.

Change-Id: I0197a6a2595ff9dade58e37383d44d2df3b03288
CLoses: OS#5170
 		2021-06-04 19:39:58 +00:00
contrib remove obsolete dependency on libosmo-sccp 2021-02-23 20:18:50 +01:00
debian remove obsolete dependency on libosmo-sccp 2021-02-23 20:18:50 +01:00
doc handover dot charts: fix wrong transitions regarding MGW 2021-05-27 17:06:21 +02:00
include drop unused func decl gsm_lchan_as_pchan2chan_nr() 2021-06-04 11:36:24 +00:00
m4 move openbsc/* to repos root 2017-08-27 03:52:43 +02:00
src VTY: fix NULL-pointer dereference in lchan_act_single() 2021-06-04 19:39:58 +00:00
tests Drop duplicated arfcn_range_encode.c available in libosmocore 2021-06-01 20:00:51 +02:00
.gitignore gitignore: Ignore *~ 2021-01-07 18:33:36 +01:00
.gitreview .gitreview: update repo url to new location 2017-08-08 17:24:04 +02:00
.mailmap add .mailmap file for mapping git author name/mail in shortlog 2016-08-08 17:40:28 +00:00
AUTHORS move openbsc/* to repos root 2017-08-27 03:52:43 +02:00
COPYING move openbsc/* to repos root 2017-08-27 03:52:43 +02:00
Makefile.am manuals: generate vty reference xml at build time 2020-06-16 10:16:30 +00:00
README rewrite README 2017-09-06 16:25:09 +02:00
README.vty-tests Remove obsolete ./configure option 2018-01-02 12:53:11 +01:00
TODO-RELEASE ctrl: Introduce CTRL SET cmd to apply VTY cfg file 2021-05-24 22:05:49 +02:00
configure.ac remove obsolete dependency on libosmo-sccp 2021-02-23 20:18:50 +01:00
git-version-gen git-version-gen: Don't check for .git directory 2018-07-24 18:04:51 +02:00
osmoappdesc.py debian, osmoappdesc.py, tests: switch to python 3 2019-12-11 09:31:40 +01:00

README 

About OsmoBSC
=============

OsmoBSC originated from the OpenBSC project, which started as a minimalistic
all-in-one implementation of the GSM Network. In 2017, OpenBSC had reached
maturity and diversity (including M3UA SIGTRAN and 3G support in the form of
IuCS and IuPS interfaces) that naturally lead to a separation of the all-in-one
approach to fully independent separate programs as in typical GSM networks.

OsmoBSC was one of the parts split off from the old openbsc.git. Before, it
worked as a standalone osmo-bsc binary as well as a combination of libbsc and
libmsc, i.e. the old OsmoNITB. Since the standalone OsmoMSC with a true A
interface (and IuCS for 3G support) is available, OsmoBSC exists only as a
separate standalone entity.

OsmoBSC exposes
- A over IP towards an MSC (e.g. OsmoMSC);
- Abis interfaces towards various kinds of BTS;
- The Osmocom typical telnet VTY and CTRL interfaces.

Find OsmoBSC issue tracker and wiki online at
https://osmocom.org/projects/osmobsc
https://osmocom.org/projects/osmobsc/wiki

OsmoBSC-NAT is a specialized solution to navigating RTP streams through a NAT.
(Todo: describe in more detail)