Gateway Mobile Switching Centre

E523116

GSM network element mobile switching centre

The Gateway Mobile Switching Centre (GMSC) is a key GSM network component that routes calls between mobile networks and external networks such as the public switched telephone network (PSTN).

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All labels observed (4)

Label	Occurrences
Gateway MSC	3
Gateway Mobile Switching Centre canonical	3
Gateway MSC (GMSC)	1
Gateway MSC Server	1

How this entity was disambiguated

This entity first appeared as the object of triple T5481354 — 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: Gateway Mobile Switching Centre
Context triple: [GSM core network, includesElement, Gateway Mobile Switching Centre]

A. GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
B. Evolved Packet Core
Evolved Packet Core is the 4G LTE mobile network architecture responsible for managing data connectivity, mobility, and services between user devices and external IP networks.
C. MGCF
MGCF (Media Gateway Control Function) is a core network element in IP Multimedia Subsystem (IMS) architectures that controls media gateways and manages signaling between IP-based and traditional circuit-switched telephony networks.
D. GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
E. GSM
GSM is the common abbreviation for Great St Mary’s Church, the historic University Church located in the center of Cambridge, England.
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: Gateway Mobile Switching Centre
Target entity description: The Gateway Mobile Switching Centre (GMSC) is a key GSM network component that routes calls between mobile networks and external networks such as the public switched telephone network (PSTN).

A. GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
B. Mobility Management Entity
The Mobility Management Entity is a core LTE network component responsible for user mobility, session management, and signaling control between user devices and the network.
C. Evolved Packet Core
Evolved Packet Core is the 4G LTE mobile network architecture responsible for managing data connectivity, mobility, and services between user devices and external IP networks.
D. MGCF
MGCF (Media Gateway Control Function) is a core network element in IP Multimedia Subsystem (IMS) architectures that controls media gateways and manages signaling between IP-based and traditional circuit-switched telephony networks.
E. GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	GSM network element ⓘ mobile switching centre ⓘ
abbreviation	GMSC ⓘ
belongsTo	circuit-switched core network ⓘ
connectsTo	PLMN ⓘ PSTN ⓘ linked to: Public Switched Telephone Network Public Land Mobile Network ⓘ Public Switched Telephone Network ⓘ
hasCapability	handling international incoming calls to mobile subscribers ⓘ interworking with legacy fixed networks ⓘ
hasFunction	provides gateway between PLMN and PSTN ⓘ routes calls between mobile networks and external networks ⓘ
hasInterface	A-interface via associated MSC ⓘ E.164 numbering plan ⓘ linked to: ITU-T E.164 ISDN user part ⓘ
hasRole	originating network gateway for outgoing calls to external networks ⓘ terminating network for incoming calls from external networks ⓘ
implementsStandard	3GPP GSM specifications ⓘ linked to: 3GPP Technical Specifications ITU-T signaling system No.7 ⓘ linked to: Signaling System No. 7
isAlsoCalled	Gateway MSC ⓘ linked to: Gateway Mobile Switching Centre
isGatewayBetween	GSM core network ⓘ external telephony networks ⓘ
mayBeImplementedAs	dedicated gateway node ⓘ
mayBeIntegratedWith	Mobile Switching Centre ⓘ
operatesIn	circuit-switched domain ⓘ
partOf	GSM core network ⓘ
performs	call setup between PSTN and mobile subscribers ⓘ number translation for mobile-terminated calls ⓘ routing based on IMSI and MSISDN ⓘ
queries	HLR ⓘ Home Location Register ⓘ
relatedTo	Gateway MSC Server ⓘ linked to: Gateway Mobile Switching Centre Home Location Register ⓘ MSC ⓘ Mobile Switching Centre ⓘ Visitor Location Register ⓘ
retrieves	routing information for called mobile subscriber ⓘ
supportsService	mobile-originated calls to external networks ⓘ mobile-terminated calls ⓘ roaming call handling ⓘ
usedIn	2G mobile networks ⓘ 3G mobile networks ⓘ GSM networks ⓘ linked to: GSM UMTS networks ⓘ
usesProtocol	ISUP ⓘ MAP ⓘ SS7 ⓘ

How these facts were elicited

Referenced by (8)

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

GSM core network → includesElement → Gateway Mobile Switching Centre ⓘ

Mobile Switching Center → connectsTo → Gateway MSC ⓘ

subject linked to: MSC