Definition of subscriber trunk dialling in English:
noun[mass noun] British
The automatic connection of trunk calls by dialling without the assistance of an operator.
- Each of our hotel rooms is provided with bath/shower, WC, cable-TV, radio, mini-bar and subscriber trunk dialling telephone.
- 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.
- The facility allows long distance calls within the State and Pondicherry to be made from phones not provided with the subscriber trunk dialling facility.
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