List Of Abbreviations; Table 23-1: List Of Abbreviations - AudioCodes Mediant 1000 User Manual

User's Manual
23

List of Abbreviations

Abbreviation Meaning
AAL1 ATM Adaptation Layer 1 – Used in North America for voice traffic. It provides
support for constant bit rate (voice) traffic
AAL2 ATM Adaptation Layer 2 – Used to transmit standard and compressed voice
transmissions including silence suppression. It can support both constant and
variable bit rates.
ADPCM Adaptive Differential PCM - voice compression
AIS Alarm Indication Signal
ASN.1 Abstract Syntax Notation
ATM Asynchronous Transmission Mode – A connection based transport mechanism
that is based on 53 byte cells
A-law European Compander Functionality Rule (see µ-law)
bps Bits per second
BLES Broadband Loop Emulation Service by the DSL Forum
BRI Basic Rate Interface in ISDN
CAS Channel Associated Signaling
cPCI Compact PCI (Industry Standard)
COLP Connected Line Identity Presentation
COLR Connected Line Identity Restriction
DHCP Dynamic Host Control Protocol
DID Direct Inward Dial
DS1 1.544 Mbps USA Digital Transmission System (see E1 and T1)
DS3 44.736 Mbps USA Digital Transmission System, Encapsulates 28 T1 streams,
Also called T3
DSL Digital Subscriber Line
DSP Digital Signal Processor (or Processing)
DTMF Dual Tone Multiple Frequency (Touch Tone)
E1 2.048 Mbps European Digital Transmission System (see T1)
E-ADPCM Enhanced ADPCM
ETSI European Telecommunications Standards Institute
FR Frame Relay
Version 4.6

Table 23-1: List of Abbreviations

347
23. List of Abbreviations
August 2005