GPRS Trau frame encoder/decoder for Ericsson RBS

The Ericsson RBS BTS family is using a propritary TRAU frame dialect to
communicate with the GPRS/EGPRS part of their CCU. There are essentially
two implementations available:

- GPRS over 16kbps I.460 subslots (very limited, supports only CS1 and CS4)
- GPRS/EGPRS over full 64kbps timeslots (supports CS1-4 and MCS1-9)

Change-Id: Ib2b232a76588c32cde75b987a7e5fdfddf099cd7
Related: OS#5198
8 files changed
tree: 29c689a2f4e0871a9e1e860e5366b671b400c51b
  1. contrib/
  2. debian/
  3. include/
  4. m4/
  5. src/
  6. tests/
  7. .gitignore
  8. .gitreview
  9. AUTHORS
  10. configure.ac
  11. COPYING
  12. git-version-gen
  13. libosmoabis.pc.in
  14. libosmotrau.pc.in
  15. Makefile.am
  16. README.md
  17. TODO-RELEASE
README.md

libosmo-abis - Osmocom Abis interface library

This repository contains a set of C-language libraries that form the A-bis interface library of Osmocom Open Source Mobile Communications projects such as OpenBSC / OsmoBSC.

Historically, a lot of this code was developed as part of the OpenBSC project, but which are of a more generic nature and thus useful to (at least) other programs that we develop in the sphere of Free Software / Open Source mobile communications.

The libosmo-abis.git repository build multiple libraries:

  • libosmoabis contains some abstraction layer over E1/T1 and IP based ETSI/3GPP A-bis interface. It can use mISDN and DAHDI as underlying driver/hardware.
  • libosmotrau contains routines related to A-bis TRAU frame handling

Homepage

The official homepage of the project is https://osmocom.org/projects/libosmo-abis

GIT Repository

You can clone from the official libosmo-abis.git repository using

git clone https://gitea.osmocom.org/osmocom/libosmo-abis

There is a web interface at https://gitea.osmocom.org/osmocom/libosmo-abis

Documentation

There is no Doxygen-generated API documentation yet for this library. It would be great to some day have it, comparable to libosmocore.

Mailing List

Discussions related to libosmo-abis 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 libosmo-abis can be seen at https://gerrit.osmocom.org/#/q/project:libosmo-abis+status:open