tandem tie trunk network (TTTN)


tandem tie trunk network (TTTN): An arrangement that permits sequential connection of tie trunks between PBX and Centrex® locations by using tandem operation. Note: Tandem operation permits two or more dial tie trunks to be connected at a tandem center to form a through connection.


This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996