tie trunk


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tie trunk

[′tī ‚trəŋk]
(electricity)
Telephone line or channel directly connecting two private branch exchanges.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Programmers in the telecommunications division have written a program in the telecommunications billing software that eliminates from the tape those call records made on the three tie trunks to the PBX.
State Government Interfaces Call-Accounting Microcomputer to Mainframe Billing System
Today, an InstantOffice system at the company's Joplin headquarters has a T1 connection from Southwestern Bell that offers a 384K Frame Relay connection and voice tie trunks to another InstantOffice system at its Springfield branch office.
Good things come in small packages
A vast network of private lines, tie trunks, off-premise extensions, and other leased facilities exists in North America, and many businesses have access to these.
Solving the data-access riddle
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