Osmocom HLR for GSUP protocol towards OsmoSGSN and OsmoMSC https://osmocom.org/projects/osmo-hlr
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Maxim Suraev 53f6067e97 hlr_vty.c: fix typo 2 weeks ago
contrib systemd: enable basic hardening 2 weeks ago
debian Debian: install osmo-hlr-dgsm.cfg as example config 2 weeks ago
doc doc: Document new subscriber CTRL commands 4 months ago
include ctrl: Introduce CTRL command subscriber.by-*.aud3g <algo[,KI,(op|opc),OP_C[,ind_bitlen]]> 4 months ago
sql db v6: determine 3G AUC IND from VLR name 1 year ago
src hlr_vty.c: fix typo 2 weeks ago
tests ctrl: Introduce CTRL command subscriber.by-*.aud3g <algo[,KI,(op|opc),OP_C[,ind_bitlen]]> 4 months ago
.gitignore Ignore .deb build byproducts 4 weeks ago
.gitreview Add gerrit settings 6 years ago
COPYING add COPYING file with AGPLv3 license text 6 years ago
Makefile.am manuals: generate vty reference xml at build time 2 years ago
README.md update git URLs (git -> https; gitea) 4 months ago
TODO-RELEASE Bump version: → 1.3.0 2 years ago
configure.ac Bump version: → 1.5.0 3 months ago
git-version-gen build with autoconf/automake, add jenkins.sh script 6 years ago
libosmo-gsup-client.pc.in pkg-config: Fix libosmo-gsup-client pkg-config file 4 years ago
libosmo-mslookup.pc.in add libosmo-mslookup abstract client 3 years ago


osmo-hlr - Osmocom HLR Implementation

This repository contains a C-language implementation of a GSM Home Location Register (HLR). It is part of the Osmocom Open Source Mobile Communications project.

Warning: While the HLR logical functionality is implemented, OsmoHLR does not use the ETSI/3GPP TCAP/MAP protocol stack. Instead, a much simpler custom protocol (GSUP) is used. This means, OsmoHLR is of no use outside the context of an Osmocom core network. You can use it with OsmoMSC, OsmoSGSN etc. - but not with third party components.


The official homepage of the project is https://osmocom.org/projects/osmo-hlr/wiki

GIT Repository

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

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

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


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 manuals

Mailing List

Discussions related to osmo-hlr 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.


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-hlr can be seen at https://gerrit.osmocom.org/#/q/project:osmo-hlr+status:open