subscriber trunk dialling


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subscriber trunk dialling

n
(Telecommunications) Brit a service by which telephone subscribers can obtain trunk calls by dialling direct without the aid of an operator. Abbreviation: STD US and Canadian equivalent: direct distance dialing
Translations

subscriber trunk dialling

nteleselezione f
References in periodicals archive ?
The scheme, called Subscriber Trunk Dialling, was going to be introduced first to 18,000 subscribers in Bristol in December 1958, then 'rolled out' across the country.
In the 1950s there was no subscriber trunk dialling (STD) - which would have allowed subscribers to dial trunk calls without operator assistance.
London, Dec 5 (ANI): On December 5, 1958, the Queen made the first long-distance phone call without the help of an operator, making today the 50th birth anniversary of Subscriber Trunk Dialling or STD.
December - Subscriber Trunk Dialling (STD) is inaugurated in the UK by the Queen when she dials a call from Bristol to Edinburgh and speaks to the Lord Provost.
So I dutifully sent my mother a telegram (it was 1972, well before the days of International Subscriber Trunk Dialling or the fax machine).
But happily Mrs Geordie could keep in touch with him because, with the innovation of Post Offices in space, subscriber trunk dialling had been extended so contact with South America took only minutes.
TELEPHONE subscribers served by the Middlesbrough exchange were to have the benefits of the subscriber trunk dialling (STD) by 1960, it was announced.