Last Updated：2025/11/29

A traditional telephony system based on analog transmission of sound, as opposed to newer alternatives like ISDN or VoIP.

音声機能が動作しない場合はこちらをご確認ください

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plain old telephone service

Source Word

plain old telephone service

Noun

uncountable

A traditional telephony system based on analog transmission of sound, as opposed to newer alternatives like ISDN or VoIP.

Japanese Meaning

従来のアナログ音声伝送に基づく電話システム。つまり、ISDNやVoIPなどの新しいデジタル技術に対して、従来型の電話サービスを指す。

Small clinics in remote areas still depend on plain old telephone service for emergency calls.

人里離れた地域の小さな診療所は、緊急通報のために今でも従来のアナログ電話サービスに依存しています。

Sense（1）

A traditional telephony system based on analog transmission of sound, as opposed to newer alternatives like ISDN or VoIP.