subscriber trunk dialling

(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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Translations

teleselezione

subscriber trunk dialling

n → teleselezione f

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in periodicals archive

Numbers were stretched again with the introduction of STD - Subscriber Trunk Dialling - which allowed you to dial trunk calls without the assistance of an operator.

Ringing the changes on the old landline

"At first there was no STD (subscriber trunk dialling), or direct international dialling without an operator.

'Hello Bombay? Could you please connect me to Karachi?'

He explained how that evolved to subscriber trunk dialling, which allowed people to call the person they wanted to speak to directly.

It's the beginning of the end for the humble phone box in Swansea as they are set to leave streets for good; They once played a vital part in everyday life

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