2024-03-23 16:07:07 +00:00
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osmo-sgsn - Osmocom SGSN Implementation
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=======================================
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2022-06-18 11:32:49 +00:00
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2024-03-23 16:07:07 +00:00
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This repository contains a C-language implementation of a *Serving GPRS
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Support Node (SGSN)* for 2.5/2.75G (GPRS/EDGE) and 3G (UMTS). It is part of the
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2022-06-18 11:32:49 +00:00
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[Osmocom](https://osmocom.org/) Open Source Mobile Communications
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project.
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OsmoSGSN exposes
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* *Gb* towards PCUs (e.g. [OsmoPCU](https://osmocom.org/projects/osmopcu/wiki/OsmoPCU)): Various GbIP flavors + Gb/FR/E1
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* *GTP* towards a GGSN (e.g. [OsmoGGSN](https://osmocom.org/projects/openggsn/wiki))
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* IuPS over IP towards RNCs / HNBGW (e.g. [osmo-hnbgw](https://osmocom.org/projects/osmohnbgw/wiki))
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* The Osmocom typical telnet *VTY* and *CTRL* interfaces.
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* The Osmocom typical *statsd* exporter.
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* GSUP (custom MAP-like protocol) towards [osmo-hlr](https://osmocom.org/projects/osmo-hlr/wiki/OsmoHLR)
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OsmoSGSN implements
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2022-06-18 11:32:49 +00:00
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* GPRS mobility management
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* GPRS session management
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2024-03-23 16:07:07 +00:00
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2022-06-18 11:32:49 +00:00
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Homepage
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--------
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2024-03-23 16:07:07 +00:00
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You can find the OsmoSGSN homepage online at <https://osmocom.org/projects/osmosgsn/wiki>.
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2022-06-18 11:32:49 +00:00
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GIT Repository
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--------------
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You can clone from the official osmo-sgsn.git repository using
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git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-sgsn
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There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-sgsn>
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Documentation
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-------------
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User Manuals and VTY reference manuals are [optionally] built in PDF form
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as part of the build process.
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Pre-rendered PDF version of the current "master" can be found at
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[User Manual](https://ftp.osmocom.org/docs/latest/osmosgsn-usermanual.pdf)
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as well as the [VTY Reference Manual](https://ftp.osmocom.org/docs/latest/osmosgsn-vty-reference.pdf)
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2024-03-23 16:15:07 +00:00
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Forum
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-----
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We welcome any osmo-sgsn related discussions in the
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[Cellular Network Infratructure -> 2G/3G Core Network](https://discourse.osmocom.org/c/cni/2g-3g-cn).
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section of the osmocom discourse (web based Forum).
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2022-06-18 11:32:49 +00:00
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Mailing List
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------------
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Discussions related to osmo-sgsn are happening on the
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osmocom-net-gprs@lists.osmocom.org mailing list, please see
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<https://lists.osmocom.org/postorius/lists/osmocom-net-gprs.lists.osmocom.org/> for subscription
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options and the list archive.
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Please observe the [Osmocom Mailing List
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Rules](https://osmocom.org/projects/cellular-infrastructure/wiki/Mailing_List_Rules)
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when posting.
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2024-03-23 16:15:07 +00:00
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Issue Tracker
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-------------
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We use the [issue tracker of the osmo-sgsn project on osmocom.org](https://osmocom.org/projects/osmosgsn/issues) for
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tracking the state of bug reports and feature requests. Feel free to submit any issues you may find, or help
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us out by resolving existing issues.
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2022-06-18 11:32:49 +00:00
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Contributing
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------------
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Our coding standards are described at
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards>
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We us a gerrit based patch submission/review process for managing
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contributions. Please see
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit> for
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more details
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The current patch queue for osmo-sgsn can be seen at
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<https://gerrit.osmocom.org/#/q/project:osmo-sgsn+status:open>
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History
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-------
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OsmoSGSN originated from the OpenBSC project, as a separate program within
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openbsc.git. In 2017, OpenBSC was split in separate repositories, and hence
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OsmoSGSN was given its own separate git repository.
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