This is a group of Osmocom programs implementing cellular network infrastructure components for GSM, GPRS, EDGE, UMTS, HSPA, LTE and their associated interfaces and protocol stacks.

This includes components for classic circuit-switched GSM:

  • The OpenBSC project with its sub-projects
    • OsmoNITB implementing a minimal network-in-the-box with Abis/IP interface
    • OsmoBSC implementing an IP-based GSM Base Station Controller with Abis/IP and A interface
  • The OsmoBTS project, implementing a GSM Base Transceiver Station

As well as the following components for GPRS/EDGE networks:

  • The OsmoPCU project, implementing a GPRS Packet Control Unit with Gb/IP interface
  • The OsmoSGSN project, impleenting a Serving GPRS Support Node with Gb/IP and GTP
  • The OpenGGSN project, implementing a Gateway GPRS Support Node

Further projects related to UMTS/HSPA networks:

  • The OsmoHNBGW project, implementing a HomeNodeB-Gateway with Iuh, Iu-CS and Iu-PS

Auto-generated list of immediate sub-projects:

Issue tracking

open closed Total
Bug 235 300 535
Feature 234 190 424
Support 8 12 20

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Latest news

2017 Osmocom Cellular Infrastructure Review
Review of most significant changes and events in the Osmocom Cellular Infrastructure projects in 2017
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Outreachy project selects Osmocom Debian Packaging
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Virtual Um layer between BTS and MS
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