OsmocomBB

E259572

GSM baseband software mobile communication software open-source software project

OsmocomBB is an open-source GSM baseband software project that replaces proprietary firmware on mobile phones to enable research, experimentation, and security analysis of cellular networks.

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All labels observed (2)

Label	Occurrences
OsmocomBB canonical	4
OsmocomBB ecosystem	1

How this entity was disambiguated

This entity first appeared as the object of triple T2313728 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: OsmocomBB
Context triple: [Harald Welte, developerOf, OsmocomBB]

A. Osmocom project
The Osmocom project is an open-source initiative focused on developing and reverse-engineering mobile communication infrastructure and protocols, particularly for GSM and related cellular technologies.
B. OpenBSC project
The OpenBSC project is an open-source implementation of a GSM base station controller and related network components, enabling researchers and enthusiasts to run and experiment with their own mobile networks.
C. osmo-bts
osmo-bts is an open-source software implementation of a GSM base transceiver station, widely used in mobile network research, development, and testing.
D. Openmoko GSM protocol stack
The Openmoko GSM protocol stack is an open-source implementation of the GSM mobile communication protocols, developed as part of the Openmoko project to enable fully open, hackable mobile phones.
E. osmo-sgsn
osmo-sgsn is an open-source Serving GPRS Support Node implementation used in mobile networks, developed as part of the Osmocom project.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: OsmocomBB
Target entity description: OsmocomBB is an open-source GSM baseband software project that replaces proprietary firmware on mobile phones to enable research, experimentation, and security analysis of cellular networks.

A. Osmocom project
The Osmocom project is an open-source initiative focused on developing and reverse-engineering mobile communication infrastructure and protocols, particularly for GSM and related cellular technologies.
B. OpenBSC project
The OpenBSC project is an open-source implementation of a GSM base station controller and related network components, enabling researchers and enthusiasts to run and experiment with their own mobile networks.
C. osmo-bts
osmo-bts is an open-source software implementation of a GSM base transceiver station, widely used in mobile network research, development, and testing.
D. Openmoko GSM protocol stack
The Openmoko GSM protocol stack is an open-source implementation of the GSM mobile communication protocols, developed as part of the Openmoko project to enable fully open, hackable mobile phones.
E. osmo-sgsn
osmo-sgsn is an open-source Serving GPRS Support Node implementation used in mobile networks, developed as part of the Osmocom project.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	GSM baseband software ⓘ mobile communication software ⓘ open-source software project ⓘ
canBeUsedFor	academic research on cellular security ⓘ developing custom GSM applications ⓘ passive GSM network monitoring ⓘ testing GSM network configurations ⓘ
category	cellular network security tools ⓘ free and open-source software ⓘ mobile telephony software ⓘ
developedBy	Harald Welte ⓘ Osmocom community ⓘ linked to: Osmocom project
feature	command-line interface for baseband control ⓘ implements GSM Layer 1 ⓘ implements GSM Layer 2 ⓘ implements GSM Layer 3 (partial) ⓘ logging and tracing of GSM protocol messages ⓘ sniffing of GSM downlink ⓘ sniffing of GSM uplink (on some devices and configurations) ⓘ support for custom GSM protocol experiments ⓘ
license	GNU General Public License ⓘ
name	OsmocomBB ⓘ
partOf	Osmocom (Open Source Mobile Communications) project ⓘ linked to: Osmocom project
programmingLanguage	C ⓘ
purpose	education about GSM baseband internals ⓘ experimentation with cellular protocols ⓘ research of GSM networks ⓘ security analysis of cellular networks ⓘ
relatedTo	OpenBSC ⓘ linked to: OpenBSC project OsmoBTS ⓘ linked to: osmo-bts OsmoNITB ⓘ gr-gsm ⓘ linked to: GSM
replaces	proprietary GSM baseband firmware ⓘ
sourceCodeRepository	https://gitea.osmocom.org/osmocom/osmocom-bb ⓘ
supportsHardware	Motorola C115 ⓘ Motorola C116 ⓘ Motorola C118 ⓘ Motorola C121 ⓘ Motorola C123 ⓘ linked to: Motorola C118 Motorola C123c ⓘ Motorola C139 ⓘ Motorola C140 ⓘ linked to: Motorola C155 Motorola C155 ⓘ Motorola C156 ⓘ Motorola C157 ⓘ Pirelli DP-L10 ⓘ Some other TI Calypso-based feature phones ⓘ Texas Instruments Calypso-based phones ⓘ
supportsStandard	2G cellular networks ⓘ GSM ⓘ
website	https://osmocom.org/projects/baseband ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Harald Welte → developerOf → OsmocomBB ⓘ

Osmocom project → develops → OsmocomBB ⓘ

Osmocom project → hasComponent → OsmocomBB ⓘ

osmo-pcu → originProject → OsmocomBB ecosystem ⓘ

linked to: OsmocomBB

OsmocomBB → name → OsmocomBB ⓘ

All labels observed (2)

How this entity was disambiguated Show

Statements (51)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited