Lucent Technologies DEFINITY® Enterprise Communication Server Release 8.2 Reports Guide

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-15  
CSM
Centralized  System Manag ement
CSS
See  center-stag e switc h (CSS)
.
CSSO
Customer Services Supp ort Org anization
CSU
Channel service unit
CTS
Clear to Send
CWC
See  call work code
.
D
DAC
1. Dial ac c ess c od e or Direc t Ag ent Calling
2. See digital-to-analog converter (DAC)
.
data channel
A communications p ath between two p oints used  to transmit d ig ital...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-16  
data terminal equipment (DTE)
Equipment consisting  of the end p oints in a c onnection over a d ata c irc uit. In a c onnection 
b etween a d ata terminal and  host, the terminal, the host, and  their assoc iated  mod ems or d ata 
mod ules make up  the DTE. 
dB
Dec ib el
dBA
Dec ib els in reference to amp eres.
dBrnC
Dec ib els above reference noise with C filter.
DC...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-17  
dial-repeating tie trunk
A tie trunk that transmits c alled -p arty ad d ressing  information between two c ommunic ations 
systems.
DID
Direc t Inward  Dialing
digit conversion
A process used  to c onvert spec ific d ialed  numbers into other d ialed numb ers.
digital
The rep resentation of information b y d isc rete step s. See also analog
.
digital communications...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-18  
digital-to-analog converter (DAC)
A devic e that c onverts d ata in d ig ital form to the c orresp ond ing  analog sig nals. See also 
analog -to-d ig ital converter (ADC)
.
digital transmission
A mod e of transmission in whic h information to be transmitted  is first converted  to dig ital form and  
then transmitted  as a serial stream of pulses.
digital trunk
A circ...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-19  
domain
VDNs, ACD sp lits, and  stations. The VDN d omain is used  for active-notific ation assoc iations. The 
ACD-sp lit d omain is for ac tive-notification associations and  d omain-c ontrol associations. The 
station d omain is used  for the d omain-c ontrol assoc iations.
domain-control association
A Third  Party Domain Control Req uest c apab ility initiates a uniq...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-20  
DTS
Disk-tap e system
duplicated common control
Two p roc essors ensuring  continuous op eration of a c ommunic ations system. While one p roc essor 
is online, the other functions as a b ac kup . The b ac kup p roc essor g oes online period ically or when 
a p rob lem oc c urs.
duplication
The use of redundant c omp onents to imp rove availab ility. When a d up lic ated...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-21  
EI
Exp ansion interface
EIA
Electronic Industries Assoc iation
EIA-232
A physic al interface sp ecified  by the EIA. EIA-232 transmits and  receives async hronous d ata at 
sp eed s of up  to 19.2 kbp s over cab le d istanc es of up  to 50 feet. EIA-232 rep laces RS-232 p rotocol 
in some DEFINITY ap plications.
electronic tandem network (ETN)
A tandem tie-trunk network...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-22  
ESPA
Europ e an  Sta n d ard  Pa g in g  A c c es s
ETA
Extend ed  Trunk Ac c ess; also Enhanc ed Terminal Ad ministration
ETN
Electronic tand em network
ETSI
Europ ean Telec ommunic ations Stand ard s Institute
expansion archangel (EAA)
A network-control mic rop roc essor loc ated on an expansion interfac e (EI) port c irc uit p ack in an 
exp ansion p ort network. The...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-23  
F
FA C
Feature Ac c ess Cod e
facility
A telec ommunic ations transmission pathway and  associated  eq uip ment.
facility-associated signaling (FAS)
Sig naling  for whic h a D-channel c arries sig naling  only for those c hannels on the same physical 
interfac e.
FA S
Facility-associated signaling
FAT
Facility access trunk
FA X
Fac simile
FCC
Fed eral Communic ations...

DEFINITY Enterprise Communication Server Release 8.2
Reports Guide  555-233-505  Issue 1
April 2000
Glossary and Abbreviations 
GL-24  
foreign-exchange (FX)
A CO other than the one p roviding loc al acc ess to the pub lic  telep hone network.
foreign-exchange trunk
A telec ommunic ations channel that direc tly connects the system to a CO other than its local CO.
foreign numbering-plan area code (FNPAC)
An area cod e other than the loc al area c ode, that must be d ialed  to c all outside the loc al 
g...