(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
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.