TIE-LINE
Meaning of TIE-LINE in English
transcription, транскрипция: [ ˈtī-ˌlīn ]
noun
Date: 1923
: a telephone line that directly connects two or more private branch exchanges
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003