September 2023 Osmocom CNI releases

The Osmocom project has released new version 202309 of the CNI (Cellular Network Infrastructure) software, including OsmoTRX, OsmoBTS, OsmoPCU, OsmoBSC, OsmoMGW, OsmoMSC, OsmoHLR, OsmoSGSN, OsmoGGSN, OsmoSTP, OsmoSIPConnector, and others.

Those new tagged/released versions contain 7 months of work since the previous versions released during mid February 2023.

You can find pre-compiled binary packages of our latest release for a variety of Debian and Ubuntu GNU/Linux versions at Latest_Builds.

The main areas of work since the previous releases are:

  • Support of Circuit Switched Data (CSD) calls in 2G
  • Support of Advanced Speech Call Items (ASCI) for Voice Group + Broadcast Calls in GSM-R
  • Support of more authentication algorithms (XOR-2G, TUAK)
  • Massive improvements in handling of voice codec negotiation
  • Support for GPRS on Ericsson BTSs with E1/T1 TDM back-haul
  • much more low-level control over the SCTP stack underneath libosmo-sigtran/osmo-stp
  • performance optimizations of OsmoBSC

For more details, see the news item at September 2023 Osmocom CNI releases - Cellular Network Infrastructure - Open Source Mobile Communications