Signaling System 7 (SS7)

GPTKB entity

Statements (49)
Predicate Object
gptkbp:instanceOf telecommunications protocol suite
gptkbp:alsoKnownAs gptkb:SS7
gptkbp:developedBy gptkb:International_Telecommunication_Union_(ITU)
gptkbp:features lack of authentication
lack of encryption
https://www.w3.org/2000/01/rdf-schema#label Signaling System 7 (SS7)
gptkbp:introducedIn 1975
gptkbp:layer gptkb:Transaction_Capabilities_Application_Part_(TCAP)
ISDN User Part (ISUP)
Message Transfer Part (MTP)
Mobile Application Part (MAP)
Signaling Connection Control Part (SCCP)
Telephone User Part (TUP)
gptkbp:messageType Fill-In Signal Unit (FISU)
Link Status Signal Unit (LSSU)
Message Signal Unit (MSU)
gptkbp:OSIModelLayer gptkb:network_protocol
application layer
transport layer
gptkbp:region global
gptkbp:relatedStandard gptkb:ITU-T_Q.700_series
ANSI T1.111
ETSI EN 300 008
gptkbp:replacedBy Signaling System 6 (SS6)
gptkbp:standardizedBy gptkb:ITU-T
gptkbp:successor gptkb:Diameter_protocol
gptkb:SIGTRAN
gptkbp:supportsProtocol out-of-band signaling
gptkbp:usedBy mobile network operators
telecommunications operators
fixed-line carriers
gptkbp:usedFor gptkb:short_message_service_(SMS)
routing
control
call setup
local number portability
mobile roaming
number translation
prepaid billing
signaling in public switched telephone network (PSTN)
gptkbp:usedIn gptkb:GSM_networks
fixed-line networks
3G networks
gptkbp:vulnerableTo gptkb:fraud
location tracking
SMS interception
call interception
gptkbp:bfsParent gptkb:Caller_ID
gptkbp:bfsLayer 5