Meanings
- UKuncountablecommunicationsA system of automatic connection of trunk calls through dialling a phone number without operator assistance.
This NER microwave radio telephone link will bring subscriber trunk dialling facilities to no fewer than 3,000 railway telephones at York, Newcastle, Darlington, Middlesbrough and Leeds and points as far north as Berwick-upon-Tweed.
1964 August, “The NER's microwave radio-telephone begins work”, in Modern Railways, page 130Synonyms: STD
Synonyms & antonyms
nounA system of automatic connection of trunk calls through dialling a phone number without operator assistance.
Cite this entry
subscriber trunk dialling. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/subscriber%20trunk%20dialling
“subscriber trunk dialling.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subscriber%20trunk%20dialling. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “subscriber trunk dialling,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/subscriber%20trunk%20dialling.
Source: subscriber trunk dialling on Wiktionary, CC BY-SA 4.0.