Dialogic 6.2 - Manual (Page 428)

November 2009 428
Stream
A logical data entity that corresponds to a physical data line on a
TDM bus.
T1/E1 span
The set of slots that comprises one T1 (24) or one E1 (30) line. The
spans are numbered starting at 1.
TCP
Transmission Control Protocol
Time slot
A logical entity that corresponds to one telephone call.
Unit number
1. In telephony configuration files and functions, a unit is a
hardware port on a Brooktrout board and is numbered starting at 0
(to denote a TDM bus); from 1 to n (for a specific T1/E1 interface).
2. In some Bfv functions (e.g., BfvLineAttach), an ordinal channel
number. Its range is 0...n-1, where n is the number of channels in a
system.
VAD
Voice Activity Detection
Work channel
One of the channels on a module that is available for
non-administrative purposes as a result of downloading firmware. A
module configured for 48 channels when firmware download is
performed has 48 work channels and one administrative channel.
Logical work channel numbers start at 2 on each module.