
AMIS Analog Networking
585-300-512 Issue 7
May 1999
Abbreviations
ABB-3
DC
direct current
DCE
data communications equipment
DCIU
data communications interface unit
DCP
digital communications protocol
DCS
distributed communications system
DID
direct inward dialing
DIP
data interface process
DMA
direct memory access
DNIS
dialed number identification service
DSP
digital signal processor
DSR
data set ready
DSU
data service unit
DTE
data terminal equipment
DTMF
dual tone multifrequency
DTR
data terminal ready
E
EIA
Electronic Industries Association
ESD
electrostatic discharge
ESS
electronic switching system
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