home/glossary/Public switched telephone network

Public switched telephone network

nounid 3735·updated May 9, 2026
candidate

A communications system that sets up a dedicated channel (or circuit) between two points for the duration of the transmission.

MWE

Classifications

Entity Type

Network95%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

acronym
PSTN
plural
Public switched telephone networks
possessive
Public switched telephone network's
pluralpossessive
Public switched telephone networks'

Framework definitions

ISACA Cybersecurity Glossary1 senseview framework →
§1
A communications system that sets up a dedicated channel (or circuit) between two points for the duration of the transmission.

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.