Osmocom Home NodeB Gateway, for attaching femtocells to the 3G CN (OsmoMSC, OsmoSGSN) https://osmocom.org/projects/osmohnbgw
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Neels Hofmeyr b5b6dd7bd9 allow second CS RAB Assignment Request
In the field, we've encountered a so far unsupported scenario: after a
RAB Assignment Request and Response have successfully set up an RTP
stream, the CN sends *another* RAB Assignment Request to modify some SDU
parameters, omitting the transportLayerInformation IE (not modifying the
RTP address).

Detect a secondary RAB Assignment Request, and just forward it as-is:
the hNodeB is interested in the RAB configuration, osmo-hnbgw just needs
the RTP info, which is not even present in this use case.

Do not (yet?) support modifying the RTP address/port.

Related: osmo-ttcn3-hacks Iadaba0e5e82ad6d163ad509904ede213e2462d5c
Related: SYS#6624
Change-Id: I25bf19981cd75a87a7ceb3382dae1ec626ae475c
2023-11-07 04:01:50 +01:00
contrib Bump version: 1.4.0.109-89fe-dirty → 1.5.0 2023-09-12 17:18:44 +02:00
debian Bump version: 1.4.0.109-89fe-dirty → 1.5.0 2023-09-12 17:18:44 +02:00
doc cfg: add 'hnbgw' / 'plmn MCC MNC' 2023-06-21 04:16:13 +02:00
include cfg: add 'hnbgw' / 'plmn MCC MNC' 2023-06-21 04:16:13 +02:00
src allow second CS RAB Assignment Request 2023-11-07 04:01:50 +01:00
tests ranap_rab_ass: do not free never allocated FieldItems 2023-06-23 13:11:05 +00:00
.gitignore Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
.gitreview Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
AUTHORS Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
COPYING Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
Makefile.am Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
README.md update URLs (git -> https; gitea) 2022-06-18 14:02:41 +02:00
TODO-RELEASE Bump version: 1.4.0.109-89fe-dirty → 1.5.0 2023-09-12 17:18:44 +02:00
configure.ac Bump version: 1.4.0.109-89fe-dirty → 1.5.0 2023-09-12 17:18:44 +02:00
git-version-gen Initial structure + import code from osmo-iuh.git 2022-01-04 19:48:52 +01:00
osmoappdesc.py copyright: fix typo: sysmocom s/s.m.f.c./s.f.m.c./ GmbH 2023-05-19 08:49:02 +00:00

README.md

osmo-hnbgw - Osmocom hNodeB Implementation

This repository contains a C-language implementation of a 3G Home NodeB Gateway (OsmoHNBGW). It is part of the Osmocom Open Source Mobile Communications project.

You can use it to interface Iuh-speaking Home NodeB (HnodeB), such as osmo-hnodeb or ip.access nano3g, to Iu-speaking MSCs and SGSNs.

Homepage

The official homepage of the project is https://osmocom.org/projects/osmohnbgw/wiki

GIT Repository

You can clone from the official osmo-hnbgw.git repository using

git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-hnbgw

There is a web interface at https://gitea.osmocom.org/cellular-infrastructure/osmo-hnbgw

Documentation

User Manuals and VTY reference manuals are [optionally] built in PDF form as part of the build process.

Pre-rendered PDF version of the current "master" can be found at User Manual as well as the VTY Reference Manual

Mailing List

Discussions related to osmo-hnbgw are happening on the openbsc@lists.osmocom.org mailing list, please see https://lists.osmocom.org/mailman/listinfo/openbsc for subscription options and the list archive.

Please observe the Osmocom Mailing List Rules when posting.

Contributing

Our coding standards are described at https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards

We us a gerrit based patch submission/review process for managing contributions. Please see https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit for more details

The current patch queue for osmo-hnbgw can be seen at https://gerrit.osmocom.org/#/q/project:osmo-hnbgw+status:open