Definition of subscriber trunk dialling in English:
subscriber trunk dialling
noun
mass nounBritish
The automatic connection of trunk calls by dialling without the assistance of an operator.
〈英〉用户中继拨号；长途直拨
Example sentencesExamples
From then on this sector sees rapid development moving from subscriber trunk dialling, international direct dialling, internet and e-mail using cable and satellite communications.
The number of pay phones installed totalled 19,230, of which 7,555 were for STD (subscriber trunk dialling) and ISD (international subscriber dialling), while the remaining 11,675 were for local calls.
The facility allows long distance calls within the State and Pondicherry to be made from phones not provided with the subscriber trunk dialling facility.
The Meter No. l9, when connected to a subscriber's line, will indicate to the subscriber the number of charge units which have been registered on his meter in the exchange when subscriber trunk dialling is in operation.
Each of our hotel rooms is provided with bath/shower, WC, cable-TV, radio, mini-bar and subscriber trunk dialling telephone.