Public Switched Telephone Network (PSTN)
GPTKB entity
Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telephone network
|
| gptkbp:abbreviation |
gptkb:PSTN
|
| gptkbp:alsoKnownAs |
gptkb:plain_old_telephone_service
|
| gptkbp:component |
cellular networks
fiber optic cables satellite links telephone exchanges telephone lines microwave transmission links subscriber telephones switching centers transmission facilities |
| gptkbp:connects |
gptkb:VoIP_networks
mobile networks fax machines mobile phones modems landline telephones |
| gptkbp:covers |
global
|
| gptkbp:criticalInfrastructure |
yes
|
| gptkbp:function |
enables voice communication
|
| https://www.w3.org/2000/01/rdf-schema#label |
Public Switched Telephone Network (PSTN)
|
| gptkbp:legacySystem |
yes
|
| gptkbp:nowSupports |
digital communication
fax modem data |
| gptkbp:originatedIn |
late 19th century
|
| gptkbp:regulates |
national telecommunications authorities
|
| gptkbp:replacedBy |
VoIP (in some regions)
|
| gptkbp:standardizedBy |
gptkb:ITU-T
|
| gptkbp:supportsProtocol |
gptkb:ISDN
gptkb:SS7 analog signaling digital signaling |
| gptkbp:technology |
circuit-switched network
|
| gptkbp:transitioningTo |
all-IP networks
|
| gptkbp:usedFor |
residential telephony
emergency services business communication analog voice communication |
| gptkbp:uses |
trunk lines
country codes area codes signaling systems subscriber lines switching equipment telephone numbers transmission media |
| gptkbp:bfsParent |
gptkb:VoIP
|
| gptkbp:bfsLayer |
5
|