straightforward trunking

straightforward trunking

[′strāt¦fȯr·wərd ′trəŋk·iŋ]
(communications)
In a manual telephone switchboard system, that method of operation in which the A operator gives the order to the B operator over the trunk on which talking later takes place.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.