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README.md in-line with that of other osmocom CNI projects: * markdown syntax * link to manuals, issue tracker, gerrit contributions, etc. Change-Id: I98e09e8900c359382e2a90b187f0c6f22a1cf81dchanges/64/28364/2
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About OsmoMSC |
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============= |
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OsmoMSC is an implementation of the 3GPP MSC (Mobile Switching Centre) |
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network element. It implements the following core functionality within |
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the 2G (GSM) and 3G (UMTS) networks: |
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* mobility management |
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* call control (either via built-in MNCC handler or external osmo-sip-connector) |
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* USSD (exposed via GSUP) |
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* SMS (either via built-in SMSC or external via GSUP) |
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Historically, OsmoMSC originated from the OpenBSC project, which started |
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as a minimalistic all-in-one implementation of the GSM Network. In 2017, |
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OpenBSC had reached maturity and diversity (including M3UA SIGTRAN and |
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3G support in the form of IuCS and IuPS interfaces) that naturally lead |
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to a separation of the all-in-one approach to fully independent separate |
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programs as in typical GSM networks. |
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OsmoMSC was one of the parts split off from the old openbsc.git. Before, |
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it was the libmsc part of the old OsmoNITB. Since a true A interface and |
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IuCS for 3G support is available, OsmoMSC exists only as a separate |
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standalone entity. |
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OsmoMSC exposes |
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- GSUP towards OsmoHLR (or a MAP proxy); |
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- A over IP towards a BSC (e.g. OsmoBSC); |
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- IuCS towards an RNC or HNB-GW (e.g. OsmoHNBGW) for 3G voice; |
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- MNCC (Mobile Network Call Control derived from GSM TS 04.07); |
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- SMPP 3.4 (Short Message Peer-to-Peer); |
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- The Osmocom typical telnet VTY and CTRL interfaces. |
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Find OsmoMSC issue tracker and wiki online at |
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https://osmocom.org/projects/osmomsc |
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https://osmocom.org/projects/osmomsc/wiki |
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osmo-msc - Osmocom MSC Implementation |
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===================================== |
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This repository contains a C-language implementation of a GSM Mobile Switching |
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Centre (MSC) for 2G (GSM) and 3G (UMTS). It is part of the |
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[Osmocom](https://osmocom.org/) Open Source Mobile Communications |
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project. |
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OsmoMSC exposes |
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* A over IP towards BSCs (e.g. OsmoBSC): 3GPP AoIP or SCCPlite |
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* IuCS over IP towards RNCs / HNBGW (e.g. osmo-hnbgw) |
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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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OsmoMSC implements |
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* mobility management |
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* call control (either via built-in MNCC handler or external osmo-sip-connector) |
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* USSD (exposed via GSUP) |
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* SMS (either via built-in SMSC or external via GSUP) |
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Homepage |
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-------- |
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You can find the OsmoMSC issue tracker and wiki online at |
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<https://osmocom.org/projects/osmomsc> and <https://osmocom.org/projects/osmomsc/wiki>. |
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GIT Repository |
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-------------- |
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You can clone from the official osmo-msc.git repository using |
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git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-msc |
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There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-msc> |
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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/osmomsc-usermanual.pdf) |
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as well as the [VTY Reference Manual](https://ftp.osmocom.org/docs/latest/osmomsc-vty-reference.pdf) |
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Mailing List |
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------------ |
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Discussions related to osmo-msc are happening on the |
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openbsc@lists.osmocom.org mailing list, please see |
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<https://lists.osmocom.org/mailman/listinfo/openbsc> 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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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-msc can be seen at |
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<https://gerrit.osmocom.org/#/q/project:osmo-msc+status:open> |
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History |
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------- |
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|
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OsmoMSC originated from the OsmoNITB project, which started as a minimalistic |
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all-in-one implementation of the GSM Network. In 2017, OsmoNITB had reached |
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maturity and diversity (including M3UA SIGTRAN and 3G support in the form of |
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IuCS and IuPS interfaces) that naturally lead to a separation of the all-in-one |
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approach to fully independent separate programs as in typical GSM networks. |
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|
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OsmoMSC was one of the parts split off from the old openbsc.git. |
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