PDF of this tutorialAPI
application programming interface
ATM
asynchronous transfer mode
CIGP
common interconnection gateway platform
CLEC
competitive local exchange carrier
CMIP
common management information protocol
CO
central office
CORBA
common object request broker architecture
COTS
commercial off-the-shelf
CPE
customer premises equipment
D–COM
distributed component object model
DSL
digital subscriber line
DSLAM
digital subscriber line access multiplexer
EDI
electronic data interchange
FCC
Federal Communications Commission
GUI
graphical user interface
ILEC
incumbent local exchange carrier
IP
Internet protocol
ISDN
integrated services digital network
ISP
Internet service provider
IXC
interexchange carrier
NML
network management layer
NOC
network operations center
OMG
Object Management Group
OSS
operations support system
POTS
plain old telephone service
PVC
permanent virtual circuit
QoS
quality of service
RBOC
regional Bell operating company
ROI
return on investment
SLA
service level agreement
SML
service management layer
SNMP
simple network management protocol
TL1
transaction language 1
TMN
telecommunications management network
TP
transaction processor
USOC
universal service order code
VC
virtual circuit
VPN
virtual private network
