From Understanding Telecommunications Networks
| AAA | Authentication, Authorisation and Accounting |
| AAL | ATM Adaptation Layers |
| AAR | Automatic Alternative Routeing |
| AC | Alternating Current |
| ACD | Automatic Call Distribution |
| A/D | Analogue-to-Digital (conversion) |
| ADM | Add-Drop Multiplexor |
| ADSL | Asymmetric Digital Subscriber Line |
| AESA | ATM End-System Addresses |
| AFI | Authority and Format Indicator |
| AM | Amplitude Modulation |
| AMPS | Advanced Mobile Phone System |
| AP | Access Point |
| API | Application Programming Interface |
| APS | Automatic Protection Systems |
| APON | ATM over Passive Optical Network |
| ARP | Address Resolution Protocol |
| ARPANET | US defence department project: the forerunner of the Internet |
| AS | Autonomous System |
| ATM | Asynchronous Transfer Mode |
| AU | Administrative Unit |
| AUC | Authentication Centre |
| BHCA | Busy Hour Call Attempts |
| B-ISUP | Broadband ISDN User Part |
| BORSCHT | Battery, Over-load protection, Ringing, Supervision, Codec, Hybrid, Test |
| BPON | Broadband Passive Optical Network |
| BRA | Broadband Radio Access |
| BS | Base Station |
| BSC | Base Station Controller |
| BSI | British Standards Institute |
| BTC | Base Transmitter Controller |
| BTS | Base-Transceiver Station |
| C7 | see SS7 |
| CAS | Channel-associated signalling |
| CATV | Community Antenna TeleVision |
| CB | Citizen's Band (radio) |
| CBR | Constant Bit Rate |
| CCS | Common Channel Signalling |
| CDM | Code Division Multiplex |
| CDMA | Code Division Multiple Access |
| CDPD | Cellular Digital Packet Data |
| CEPT | Conf rence Europ enne des administrations des Postes et des T l communications |
| CER | Cell-Error Ratio |
| CIDR | Classless Inter-Domain Routeing |
| CG | Charge Group |
| CLI | Caller Line Identification |
| CM | Connection Memory |
| CN | Communication Network |
| COS | Class Of Service |
| CPE | Customers Premises Equipment |
| CPU | Central Processing Unit |
| CSMA/CA | Carrier-Sense Multiple-Access/Collision Avoidance |
| CSMA/CD | Carrier-Sense Multiple-Access/Collision Detection |
| CTD | Cell Transfer Delay |
| CTS | Core Transmission Station |
| D-AMPS | Digital-Advanced Mobile Phone System |
| Datel | Data over Telephone |
| DC | Direct Current |
| DCC | Data Country Code |
| DDF | Digital... |
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Glossary Numbers 2B + D Two Bearer plus Data 2B1Q Two Binary, One Quaternary 2G Second Generation 3B2T 3 Binary, 2 Ternary line code 3G Third Generation 4B3T...
Glossary of Acronyms A AAA: Authentication, Authorization, and Accounting ACK: Acknowledgment ADPCM: Adaptive Differential Pulse Code Modulation ADSL:...
Acronyms 3DES- Triple Data Encryption Standard AAS- Adaptive Antenna System ABR- Available Bit Rate ACK- Acknowledgment AISN- ARQ Identifier sequence number AK- Authorization Key...
Acronyms 3DES- Triple Data Encryption Standard AAS- Adaptive Antenna System ABR- Available Bit Rate ACK- Acknowledgment AISN- ARQ Identifier sequence number AK- Authorization Key...
A AAA Authentication, Authorization and Accounting AAL ATM Adaptation Layer ADSL Asymmetric Digital Subscriber Line AMPS Advanced Mobile Phone...
