Gateway Mobile Switching Centre
E523116
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).
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gateway Mobile Switching Centre canonical | 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 NERFINISHED ⓘ Public Land Mobile Network ⓘ Public Switched Telephone Network NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ 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
NERFINISHED
ⓘ
ITU-T signaling system No.7 NERFINISHED ⓘ |
| isAlsoCalled | Gateway MSC NERFINISHED ⓘ |
| isGatewayBetween |
GSM core network
ⓘ
external telephony networks ⓘ |
| mayBeImplementedAs | dedicated gateway node ⓘ |
| mayBeIntegratedWith | Mobile Switching Centre NERFINISHED ⓘ |
| operatesIn | circuit-switched domain ⓘ |
| partOf | GSM core network NERFINISHED ⓘ |
| performs |
call setup between PSTN and mobile subscribers
ⓘ
number translation for mobile-terminated calls ⓘ routing based on IMSI and MSISDN ⓘ |
| queries |
HLR
NERFINISHED
ⓘ
Home Location Register ⓘ |
| relatedTo |
Gateway MSC Server
NERFINISHED
ⓘ
Home Location Register NERFINISHED ⓘ MSC NERFINISHED ⓘ Mobile Switching Centre NERFINISHED ⓘ 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 NERFINISHED ⓘ UMTS networks ⓘ |
| usesProtocol |
ISUP
NERFINISHED
ⓘ
MAP NERFINISHED ⓘ SS7 NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Gateway Mobile Switching Centre Description of subject: 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).
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.