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Radio Access Network

Osmocom Radio Access Network (RAN), consisting of projects like osmotrx, osmobts, osmobsc, osmopcu and osmo-hnodeb

libosmo-sccp + libosmo-sigtran

Osmocom SCCP + Sigtran (M3UA, SUA) library

OsmoSMLC

Osmocom Serving Mobile Location Center

OsmoSTP

Osmocom STP (Signal Transfer Point), implementing SS7 (MTP) routing and SIGTRAN Signalling Gateway functionality. Supports SIGTRAN only, no legacy E1/T1 based signaling links. Currently only MTP-level routing no GTR or GTT yet, but contributions in that area are very welcome....

osmo-qcdiag

Osmocom tool for Qualcomm DIAG

OsmoUPF

Osmocom User Plane Function

OsmocomBB

OsmocomBB is an Free Software / Open Source GSM Baseband software implementation. It intends to completely replace the need for a proprietary GSM baseband software.

OsmoGGSN (former OpenGGSN)

OsmoGGSN is an Open Source implementation of a GGSN (Gateway GPRS Support Node). It is the successor to OpenGGSN and provides a Gp (GTP v0/v1) interface towards SGSNs like OsmoSGSN and a Gi interface towards the IP network. It supports Linux kernel GTP-U acceleration via a linux-kernel-gtp-u....

OsmoPCU

OsmoPCU is an Open Source GPRS/EGPRS PCU (Packet Control Unit) with Gb/IP interface. It connects via a pcu_socket to OsmoBTS or OsmoBSC and provides RLC/MAC layer and air interface scheduling for GPRS/EGPRS. Connects via 3GPP Gb/IP to a SGSN like OsmoSGSN...

OsmoSGSN

OsmoSGSN is an Open Source implementation of a SGSN (Serving GPRS Support Node). It provides a 3GPP Gb/IP interface towards PCUs like OsmoPCU as well as a Gp (GTP) interface towards GGSNs like OsmoGGSN and a GSUP interface towards OsmoHLR....

OsmoTRX

OsmoTRX is a GSM Radio Modem based on a fork of the OpenBTS Transceiver program. It is intended to be used with the osmo-bts-trx variant of OsmoBTS in order to build GSM base stations with Abis/IP interface from general purpose SDR hardware such as USRP or LimeSDR devices....

libosmo-pfcp

PFCP protocol encoding and decoding, and generic PFCP endpoint implementation

osmo-ePDG - VoWifi Evolved Packet Data Gateway

plan for upcoming open source ePDG (IPsec cateway for VoWiFi)

Retronetworking

Project about operating ancient, phased-out networking technologies such as TDM, ISDN, PDH, SDH, FDDI, ArcNet, TokenRing and others. The purpose of this is to keep alive the knowledge about the technology, and to be able to present it to interested parties....

BBS-Revival

Project about Retro-Communication using BBSs, Modems, DFÜ, Points, etc ...

The goal here is to re-create the modem / bbs / mailbox communication systems of the (late) 1980s and 1990s.

We use the bbs-revival mailing list to coordinate...

pySim

pySim is a small command-line tool to program(write to) a variety of programmable sim cards.

SuperSignal AP 2820V

Research on the Vodafone/Sagem SuperSignal AP 2820V femtocell

osmo-rfds

RF delay simulator using the ADI Pluto SDR

OsmoSMSC

Scalable Smalltalk/Pharo SMSC with SMPP input and SMPP and SS7 output.

rtl-sdr

Software project for [ab]using DVB-T USB receivers based on RTL2132 as inexpensive SDR receivers

Open Source IMS Client

Some exploration and hacking towards putting tother an open source IMS (VoLTE, VoWiFi) client

Retrocomputing

Some general retrocomputing stuff that's not specifically networking related.

OsmoDia2GSUP

The Diameter to GSUP (HLR) adapter (OsmoDia2GSUP) enables you to connect osmo-hlr to a 4G MME. It speaks GSUP with osmo-hlr and Diameter/S6a with the MME (hence the name).

GSM Audio Pocket Knife

The GSM Auido Pocket Knife is a small tool that can encode and decode all of the GSM codecs and can convert between various different frame formats, such as the RTP payload formats, those used by the TI Calypso DSP, the Racal 61x3 testers, etc. You can use it as a RTP sink to play back a RTP stream from OsmoBTS. ...

Osmocom Conferences (OsmoDevCon, OsmoCon, OsmoDevCall)

The Osmcoom [Developer] Conference, an annual event where Osmocom Developers and Users gather

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