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laforge, 05/11/2018 11:15 AM


OsmoMSC

OsmoMSC is the Osmocom implementation of a Mobile Switching Center (MSC).

It implements the following interfaces:
  • 3GPP AoIP over M3UA or SUA towards BSCs, for example OsmoBSC, possibly via a STP like OsmoSTP
  • 3GPP IuCS over M3UA or SUA towards RNCs or HNBGWs, for example OsmoHNBGW, possibly via a STP like OsmoSTP
  • Osmocom GSUP towards an HLR such as OsmoHLR
  • SMPP v3.4 for external SMS entities (minimal SMSC is built-in)
  • MGCP for controlling an external Media Gateway like OsmoMGW
  • MNCC for external call-control handlers, such as osmo-sip-connector for SIP trunks
  • Osmocom VTY interface for configuration + introspection
  • Osmocom CTRL interface for programmatic access to internal state/configuration

Position in a typical network

History

OsmoMSC was the result of splitting OsmoNITB into three parts during the 2017 NITB-split. Parts of OsmoNITB became OsmoBSC, other parts became OsmoHLR, while the mobility management, call control and SMS handling became OsmoMSC. At the time of the rewrite, the entire MSC and VLR state machines have been properly re-implemented using osmo-fsm

Binary Packages

Osmocom provides binary packages for several flavors of Debian and Ubuntu GNU/Linux on a variety of architectures (i586, x86_64, armhf, armv7l). Unless you are a software developer interested in developing on Osmocom, it is recommended you use those packages instead of building from source.

For more details see Binary_Packages

Manuals

Source code

The source code is available from git.osmocom.org (module osmo-msc).

Public read-only access is available via

git clone git://git.osmocom.org/osmo-msc.git

You can browse it via cgit: https://git.osmocom.org/osmo-msc

Contributions are welcome via Gerrit.

Test Suite

We have a TTCN-3 test suite as part of our Titan_TTCN3_Testsuites

Contact

Files (0)

Updated by laforge almost 6 years ago · 14 revisions

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