PDF of this tutorial
AIN
advanced intelligent network
ATM
asynchronous transfer mode
BISDN
broadband integrated services digital network
CCITT
International Consultative Committee for Telephone and Telegraph
EIA
Electronic Industry Association
ITU
International Telecommunications Union
ITU–T
ITU Telecommunications Standardization Sector
LAN
local area network
MAN
metropolitan area network
NISDN
national integrated services digital network
NSP
network service provider
OSS
operations support system
PSTN
public switched telephone network
SMS
service management system
T1
a type of circuit for interconnecting telephone central offices or customers
TDM
time division multiplexing
VC
virtual channel
VToA
voice telephony over asynchronous transfer mode
WAN
wide-area network
