PSTN networks

[ˈpiː.ɛs.ˈtiː.ˈɛn ˈnɛt.wɜːrks]
nounpl: PSTN networks
redes PSTN
1. Public Switched Telephone Network - the infrastructure system used for circuit-switched voice transmission over telephone lines, utilizing a network of interconnected switches and transmission lines
PSTN networks have been the backbone of traditional telephone communication for decades.
As redes PSTN foram a base da comunicação telefônica tradicional por décadas.
2. The traditional landline telephone system that connects telephone exchanges to provide voice communication services to subscribers
Many businesses still rely on PSTN networks for their main telephone lines.
Muitos negócios ainda dependem das redes PSTN para suas linhas telefônicas principais.
PSTN networks represent the traditional telecommunications infrastructure that dominated in Brazil and worldwide until the rise of VoIP and mobile technologies in the 2000s. In Brazil, Telebrás and later privatized companies like Telefônica and Oi managed PSTN infrastructure. The term is still widely used in technical and regulatory contexts in both Brazil and Portugal, though these networks are gradually being phased out in favor of digital and mobile alternatives.
Synonyms / Sinônimos
Public Switched Telephone NetworkPOTS (Plain Old Telephone Service)landline networkscircuit-switched networkstraditional telephone networks
Antonyms / Antônimos
VoIP networkspacket-switched networksmobile networkswireless networks

Regional Variations

General Brazilian
redes PSTN
Standard technical term used in telecommunications industry
São Paulo
redes de telefonia fixa
Alternative formal term for traditional fixed-line telephone networks
Portugal
redes PSTN
Same terminology used in European telecommunications context
General Brazilian
rede telefônica pública
Descriptive translation of the acronym for general audiences

Related Words

VoIPtelecommunicationstelephone exchangecircuit switchingtrunk linestelephonyanalog signalsdial-up connections

Related Idioms & Phrases

legacy telephone systems
traditional phone lines
analog telephone infrastructure
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