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domain-controlled
station
domain-controlled
station on a call
DOSS
DOT
DPM
DPR
DS1
DS1C
DS1 CONV
DSI
DSU
DTDM
DTE
DTGS
DTMF
DTS
duplicated common
control
duplication
duplication option
A station for which a Third_Party_Domain_Control request has been accepted. A
domain-controlled station provides event reports for calls that are alerting,
connected, or held at the station.
A station that is active on a call, and which provides event reports over one or two
domain-control associations.
Delivery Operations Support System
Duplication Option Terminal
Dial Plan Manager
Dual-port RAM
Digital Signal Level 1
Digital Signal Level-1 protocol C
Digital Signal Level-1 converter
Digital signal interface
Data service unit
Digital-terminal data module
Data-terminal equipment
Direct Trunk Group Select
Dual-tone multifrequency
Disk-tape system
Two processors ensuring continuous operation of a communications system. While
one processor is online, the other functions as a backup. The backup processor
goes online periodically or when a problem occurs.
The use of redundant components to improve availability. When a duplicated
subsystem fails, its backup redundant system automatically takes over.
A system option that duplicates the following: control carrier containing the SPE, EI
circuit packs in carriers, fiber-optic cabling between port networks, and center-stage
switch in a CSS-connected system.
duplication option
Issue 1.0 May 2003
403
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