Adaptive
Differential Pulse Code Modulation; coding of speech at 32 Kbps
ANI
Automatic
Number Identification
ATM
Asynchronous Transfer Mode
C
C.
O. Line
Central
Office Line
CAP
Competitive
Access Protocol
CBR
Constant
Bit Rate
CIOA
Classical
IP over ATM
CNG
Comfort
Noise Generation
CODEC
Compressor/decompressor
CPE
Customer
Premises Equipment "Individual user"
CSU/DSU
Channel
Service Unit/Digital Service Unit
CTI
Computer
Telephony Integration
D
DHCP
Dynamic
Host Configuration Protocol
Diffserv
Differentiated
Services
DNS
Domain
Name System
DSP
Digital
Signal Processor
DSS/BLF
Direct
Station Select /
Busy Lamp Field; Attendant Console
DTMF
Dual
Tone Multiple Frequency
E
EDI
Electronic
Data Interchange - a series of standards which provide computer
to computer exchange of business documents between different
companies' computer over phone lines
F
FAE
Field
Application Engineer
FCC
Federal
Communication Commission that controls all electronic equipment
examining/testing
FDDI
II
Fiber
Distributed Data Interface II
FR
Frame
Relay
FRAD
Frame
Relay Access Device
FTP
File
Transfer Protocol
FTTC
Fiber
to the Curb
FTTH
Fiber
to the Home
FXO
Foreign
Exchange Office
FXS
Foreign
Exchange Station
G
G.711
Codinng
of speech at 64 Kbps
G.723.1
Codinng
of speech at 5.3 / 6.3 Kbps
G.729a
Codinng
of speech at 8 Kbps
GSM
Global
System for Mobile Communications
GUI
Graphical
User Interface
H
H.323
A
standard approved by the International Telecommunication Union
(ITU) that defines how audiovisual conferencing data is transmitted
across networks.
HDLC/SDLC
High
Data Link Control/Synchronous Data Link Control
HDSL
High-bit-rate
Digital Subscriber Line
HFC
Hybrid
Fiber Coaxial
HomePNA
Home
Phone Networking Alliance
I
IETF
Internet
Engineering Task Force
IP
Internet
Protocol
IPPBX
Internet
Protocol-Private Branch Exchange
ISA
Integrated
Services Architecture or Interactive Services Association or
Industry Standard Architecture
ISDN
Integrated
Services Digital Network
ISP
Internet
Service Provider
ITS
Internet
Telephony Server
ITSP
Internet
Telephony Service Provider
ITU-T
International
Telecommunications Union-Telecommunications
IVR
Interactive
Voice Response
IXC
Interexchange
Carrier
L
LAN
Local
Area Network
LANE
LAN
Emulation
LDAP
Lightweight
Directory Access Protocol
LEC
Local
Exchange Carrier
LIS's
Logical
IP Subnetworks
M
MBR
Minute
Bit Rate
MGCP
Media
Gateway Control Protocol
MIPS
Million
Instructions Per Second
MIS
Management
Information System
MOS
Mean
Opinion Score
MPEG
Moving
Pictures Expert Group
MPLS
Multiprotocol
Label Switching Specification
MPOA
Multiprotocols
over ATM
N
NT
Network
Termination or it can mean New Technology just like Windows
NT
NTI
Network
Termination Type 1 - a small box that attaches to an ISDN BR
line
O
ODM
Original
Designing Manufacturer
OEM
Original
Equipment Manufacturer
P
PBX
Private
Branch Exchange, also known as PABX - Private Automatic Branch
Exchange
PCM
Pulse
Code Modulation
PDU
Protocol
Data Units - also called Datagrams
PING
Packet
Internet Groper
POP
Point
of Presence
POTS
Plain
Old Telephone Service
PPP
Point-to-Point
Protocol
PSTN
Public
Switched Telephone Network
Q
QoS
Quality
of Service
R
RSVP
Reservation
Protocol
RTCP
Real
Time Transport Protocol Control Protocol
RTP
Real
Time Transport Protocol
RTSP
Real
Time Streaming Protocol
S
SIP
Session
Initiation Protocol
SIVR
Speaker-Independent
Voice Recognition
SMTP
Simple
Mail Transfer Protocol - for email
SNA
System
Network Architecture
SNMP
Simple
Network Management Protocol
SOC
System
on a Chip
SONET
Synchronous
Optical Network
T
T1
1.544
Mbps = 24*64 Kbps
TAPI
Telephony
Application Programming Interface
TCO
Total
Cost of Ownership
TCP/IP
Transmission
Control Protocol/Internet Protocol
TDM
links
Time
Division Multiplexed links
TTL
The
Time To Live
TUI
Telephone
User Interface
U
UDP
User
Datagram Protocol
UnPBX
PC-based
PBX using computer instead of networking
V
VAD
Voice
Activity Detection
VAR
Value
Added Reseller
VBR
Variable
Bit Rate
VIC
Voice
Interface Card
VOD
Video
on Demand
VoIP
Voice
over IP
VON
Voice
on Data Network
VPN
Virtual
Private Networking
W
WAN
Wide
Area Network
WAP
Wireless
Application Protocol
X
XDSL
X
Digital Subscriber Line - X means the varieties of DSL