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Acronyms and Abbreviations

Acronym Definition
3-DES Triple Data Encryption Standard
56K ITU modem standard
AEC Acoustic Echo Cancellation or Canceller
AES Advanced Encryption Standard
AGC Automatic Gain Control
ALC Automatic Level Control
APSO Adaptive Particle Swarm Optimization
ATA Analog Telephone Adapter
Bell 212/Bell 103 ITU/Bell modem standard
BSS Blind Signal Separation
Camellia Block Cipher
CASA Computational Auditory Scene Analysis
CAST-128/256 Block Cipher
CCM Counter with Cipher Block Chaining-Message Authentication Code
CCMP Counter Mode with Cipher Block Chaining Message Authentication Code Protocol
CDMA Carrier Sense Medium Access
CDMA/CA Carrier Sense Medium Access/Collision Avoidance
CELP Code-ExcitationLinear Predictive
CMA Constant modulus algorithm
CMS Cryptographic Message Syntax
CNG Comfort Noise Generation
CS Compressed Sensing
CTCSS Continuous Tone-Code Squelch System
CTS Clear to Send
DAA Digital Analog Analog
DCA Dependent Component Analysis
DCF Distributed Coordination Function
DES Data Encryption Standard
DHCP Dynamic Host Connection Protocol
DMD Digital Micromirror Device
DMRC Distortion Minimizing Rate Control
DMS Defense Messaging System
DOA Direction of Arrival
DPI Deep Packet Inspection
DRC Dynamic Range Compression
DSA Digital Signature Algorithm
DSP Digital Signal Processor
DTD Double Talk Detector
DTE Digital Terminal Equipment
DTLS Datagram Transport Layer Security
DTMF Dual Tone Multi-Frequency
DTX Discontinuous Transmission
DUET Degenerate Unmixing Estimation Technique
DWT Discrete Wavelet Transform
EAP Extensible Authentication Protocol
EAPoL EAP over LAN
EAPoW EAP over Wireless
EC Echo Cancellation
ECC Elliptical Curve Cryptosystem
ECDLP Elliptic Curve Discrete Logarithm Problem
ECDSA Elliptical Curve Digital Signature Algorithm
ECM Error Correction Method
EPSO Euclidian Particle Swarm Optimization
FDAF Frequency Domain Adaptive Filtering
FD-GSC Frequency-Domain Generalized Sidelobe Canceller
FEC Forward Error Correction
FM Frequency Modulation
FoIP Fax over IP
FPGA Field Programmable Gate Array
FSK Frequency Shift Key
FTPS File Transfer Protocol Secure
G.165 ITU Line Echo Canceller
G.168 ITU Line Echo Canceller
G.711 ITU Speech Coder – 64k bps PCM (A-law or μ-law form)
G.722 ITU Speech Coder – 7 kHz audio coding within 64 kbit/s (SB-ADPCM)
G.722.1 ITU Speech Coder – 24k and 32k bps, 7 kHz audio
G.722.2 ITU Speech Coder – Adaptive Multi-Rate Wideband (GSM AMR-WB)
G.723.1 ITU Speech Coder – 5 1/3k and 6.4k bps ACELP/MP-MLQ
G.726 ITU Speech Coder – 16k, 24k, 32k and 40k bps ADPCM
G.727 ITU Speech Coder – 5, 4, 3 and 2-bits sample Embedded ADPCM
G.728 ITU Speech Coder – 16k bps LD-CELP
G.729 Annex B ITU Speech Coder – Silence Detection
G.729/G.729A ITU Speech Coder – 8k bps CS-ACELP
GCM Galois Counter Mode
GPSO Gaussian Particle Swarm Optimization
GSM-AMR GSM Speech Coder – GSM 06.90 Adaptive Multi-Rate Vocoder
GSM-AMR-WB GSM Speech Coder – GSM 06.xx Adaptive Multi-Rate Wideband (ITU G.722.2)
GSM-EFR GSM Speech Coder – GSM 06.60 Enhanced Full Rate Vocoder
GSM-FR GSM Speech Coder – GSM 06.10 Full Rate Vocoder
GSM-HR GSM Speech Coder – GSM 06.20 Half Rate Vocoder
H.261 Video Conference Video Coder Standard
H.263 Video Conference Video Coder Standard
H.264 Video Conference Video Coder Standard
HDLC High level Data Link Control
HPBX Home Private Branch Exchange
HTTPS Hypertext Transfer Protocol Secure
ICA Independent component analysis
ICE Interactive Connectivity Establishment
IKEv2 Internet Key Exchange version 2
iLBC Internet Low Bitrate Codec
IPBX Internet Protocol Private Branch Exchange
IPsec Secure Internet Protocol
JADE Joint Approximate Diagonalization Eigen-matrices
JPEG Joint Photographic Experts Group
JPEG2000 Joint Photographic Experts Group 2000
JPIP JPEG200 Interactivity Protocol
JPSEC JPEG 2000 Secure
JPWL JPEG 2000 image coding system: Wireless
LANsEND VOCAL’s network operating system framework
LCMV Linearly-Constrained Minimum-Variance
LDPC Low-Density-Parity-Check Codes Forward Error Correcting algorithm
LEC Line Echo Cancellation or Canceller
LI Lawful Intercept
LPC-10 Linear Predictive Code -10
MAC Medium Access Control
MELP Mixed-Excitation Linear Predictive
MELPe Mixed-Excitation Linear Predictive Enhanced
MIME Multipurpose Internet Mail Extensions
MIMO Multiple Input Multiple Output
MJPEG Motion JPEG
MOS Mean Opinion Score
MOSS MIME Object Security Services
MPEG Moving Pictures Experts Group
MSP Message Security Protocol
NAT Network Address Translation
NBFM Narrow Band Frequency Modulation
NLMS Normalized Least Mean Squares
NNTP Network News Transfer Protocol
NR Noise reduction
NUM Network Utility Maximization
OFDMA Orthogonal Frequency Division Multiple Access
PCA Principal Components Analysis
PCM Pulse Code Modulation
PEM Privacy Enhanced Mail
PFS Perfect Forward Secrecy
PGP Pretty Good Privacy
PLC Packet Loss Concealment
PLD Programmable Logic Device
POTS Plain Old Telephone System
PPPoE Point to Point Protocol over Ethernet
PSK Phase Shift Key
PSO Particle Swarm Optimization
PSQM Perceptual Speech Quality Measure
PSTN Public System Telephone Network
QAM Quadrature Amplitude Modulation
QoS Quality of Service
Rabin Stream Cipher
RASoIP Remote Access Server over IP
RC4 RSA Encryption Algorithm
RDK Reference Design Kit
Reed-Solomon Reed Solomon Forward Error Correction algorithm
R-GSC Robust Generalized Sidelobe Canceller
RoIP Radio over Internet Protocol (Radio over IP)
RSA RSA Encryption Algorithm
RTS Request to Send
S/MIME Secure / Multipurpose Internet Mail Extensions
SASL Simple Authentication and Security Layer Protocol
SDES Session Description Protocol Security Description for Media Streams
Secure ACAP Secure Application Configuration Access Protocol
Secure COMedia Secure Connection-Oriented Media Transport
Secure COPS Secure Common Open Policy Service
Secure IMAP Secure Internet Message Access Protocol
Secure POP Secure Post Office Protocol
Secure SIP Secure Session Initiation Protocol
Secure SMTP Secure Simple Mail Transfer Protocol
SEED 128 Bit Block Cipher
SET Secure Electronic Transaction
SFTP Secure File Transfer Protocol
SHA1 Secure Hash Encryption algorithm
S-HTTP Secure Hypertext Transfer Protocol
SILK Variable Bitrate Wideband Speech Codec
SIP Session Initiation Protocol
SNEWS Secure Network News Transfer Protocol
SNR Signal-to-Noise Ratio
Speex Wide Band Voice Codec – 8 kHz, 16 kHz, and 32 kHz CELP
SR Stochastic Resonance
SRTP Secure Real-time Transport Protocol
SSH Secure Shell Protocol
SSID Service Set Identification
SSLv3/TLSv1 Secure Sockets Layer/Transport Layer Security
STFT Short-time Fourier Transform
STUN Simple Traversal of UDP Through NAT
SVD Singular value decomposition
T.30 Fax transmission with PSTN Standard
T.30-E Color Fax Standard
T.38 Fax over IP Standard
TD-GSC Time Domain Generalized Sidelobe Canceller
TDMA Time Division Multiple Access
TDOA Time Delay of Arrival
TOA Time of Arrival
TR-69 CPE WAN Management Protocol (CWMP)
Trellis Error Correction Algorithm
TLS Transport Layer Security
TSN Transitional Security Network
Turbo Turbo Codes Forward Error Correcting (FEC) algorithm
TURN Traversal Using Relay NAT
UWB Ultra Wide Band
V.17 ITU modem standard
V.21 ch2 ITU modem standard
V.22bis/V.22 ITU modem standard
V.23/V.21 ITU modem standard
V.27ter ITU modem standard
V.29 ITU modem standard
V.32bis/V.32 ITU modem standard
V.34 ITU modem standard
V.34fax ITU modem standard
V.42 ITU modem standard
V.42bis ITU modem standard
V.44 ITU modem standard
V.90 ITU modem standard
V.92 ITU modem standard
V2oIP Voice and Video over Internet Protocol
VAD Voice Activity Detection
VOX Voice Activated Transmission
VPBX Video Private Branch Exchange
VQE Voice Quality Enhancement; aka speech enhancement
WEP Wired Equivalent Privacy
WiMAX Security DES-CBC encryption/authentication and PKM
WMSN Wireless Multimedia Sensor Network
WPA Wi-Fi Protected Access
WRAP Wireless Robust Authentication Protocol
WTLS Wireless Transport Layer Security
XMPP Extensible Messaging and Presence Protocol
XTLS Extensible Transport Layer Security
VOCAL Technologies, Ltd.
520 Lee Entrance, Suite 202
Amherst New York 14228
Phone: +1-716-688-4675
Fax: +1-716-639-0713
Email: sales@vocal.com