direct dialing
US /ˌdɪ.rekt ˈdaɪ.əl.ɪŋ/
UK /ˌdɪ.rekt ˈdaɪ.əl.ɪŋ/

1.
직통 전화, 직접 다이얼링
a telephone system that allows a user to dial directly to an extension or another telephone without the assistance of an operator
:
•
The hotel offers direct dialing to all rooms.
호텔은 모든 객실에 직통 전화를 제공합니다.
•
With direct dialing, you can reach anyone without delay.
직통 전화로 지연 없이 누구에게든 연락할 수 있습니다.