| \\ More than 3500 Telecom abbreviations maintained by Ioan (Nini) Indreias // 1 A B C D E F G H I J K L M N O P Q R S T U V W X Y All words | |
| D-AMPS | Digital AMPS (US wireless standard, IS-136) |
|---|---|
| D-H | Diffie-Hellman (algorithm) |
| D-WDM | Dense-Wavelength Division Multiplexing |
| D/I | Drop and Insert |
| D3 | Third generation channel bank (24 chans on T1) |
| D4 | Fourth generation channel bank (48 voice chans on 2 T1's or 1 T-1C) |
| D | Data Channel |
| DA | Destination Address (LAN) |
| DA | Device Address (SNA) |
| DA | Digital Access |
| DA | Directory Assistance |
| DA | Distribution Area |
| DAC | Digital to Analogue Convertor |
| DAC | Dual Attachment Concentrator (FDDI) |
| DACK | DMA ACK |
| DACS | Digital Access and Cross-connect System (AT&T) |
| DACS | Digital Access and Crossconnect System |
| DAEDR | Delimitation, Alignment and Error Detection procedure in Receive Direction |
| DAL | Dedicated/Direct Access Line |
| DAMA | Demand Assigned Multiple Access |
| DAML | Digital Added Main Line |
| DAN | DECT Access Node |
| DAO | Directory Assistance Only |
| DAP | Data Access Protocol (DEC's DNA - Application Layer) |
| DAP | Directory Access Protocol |
| DAP | Directory Access Protocol (AppleTalk) |
| DAP | Document Application Profile |
| DARPA | Defense Advanced Research Project Agency |
| DARPA | Defense Advanced Research Projects Agency |
| DAS | Dual Attachment Station |
| DAS | Dual Attachment Station (FDDI) |
| DAS | Dynamically Assigned Socket |
| DASD | Direct Access Storage Device |
| DAT | Digital Audio Tape |
| DAU | Data Adapter Unit |
| DAVIC | Digital Audio Video Council |
| DB2 | DATABASE2 (IBM) |
| DB | Database |
| DB | Dummy Burst |
| DBAC | DataBase Administration Center |
| DBAS | DataBase Administration System |
| DBCS | Data Bank Control System |
| DBCS | Double-Byte Character Sets |
| DBIF | Database Interface Module (SZ) |
| DBMS | Database Management System |
| DBN | Dial-Back Number |
| DBOS | Data Bank Organization System |
| DBS | Direct Broadcast Satellite |
| DBS | Direct Broadcats Satellite |
| DBSS | Data Bank Security System |
| DBW | Decibel per Watt |
| DC | Direct Current |
| DCA | Digital Communications Associates |
| DCA | Document Content Architecture |
| DCA | Dynamic Channel Assignment |
| DCB | Digital Channel Bank |
| DCC | Data Communications Channel (SONET) |
| DCC | Data Country Code |
| DCC | Digital Control Channel |
| DCCH | Dedicated Control Channel (GSM, SDCCH, SACCH and FACCH) |
| DCCX | Direct Circuit Control Exchange |
| DCE | Data Circuit-terminating Equipment |
| DCE | Data Communications Equipment |
| DCE | Distributed Computing Environment |
| DCER | Data Circuit-terminating Equipment Ready |
| DCF | Dispersion Compensating Fiber |
| DCF | Distributed Coordination Function |
| DCH | Data Clearing House |
| DCM | Digital Circuit Multiplication (same as DSI) |
| DCN | Data Communications Network |
| DCO | Digital Central Office |
| DCOM | Distributed Component Object Model |
| DCP | Designated Carrier Plan |
| DCP | Digital Communications Protocol |
| DCPSK | Differentially Coherent Phase Shift Keying |
| DCR | Dynamically Controlled Routing |
| DCS-1800 | Digital Cordless Standard |
| DCS | Digital Communications System |
| DCS | Digital Crossconnect System |
| DCT | Discrete Cosine Transform |
| DD | Database Description |
| DD | Domain Directory |
| DDCMP | Digital Data Communications Message Protocol (DNA) |
| DDD | Direct Distance Dialing |
| DDI | Direct dial-in |
| DDL | Data Definition Language (SQL) |
| DDLMP | Digital Equipment Corporation data link control |
| DDM | Digital Data Multiplexer |
| DDM | Distributed Data Management |
| DDN | Defense Data Network |
| DDP | Datagram Delivery Protocol (AppleTalk) |
| DDR | Dial-on-Demand Routing |
| DDR | Double Data Rate |
| DDR | Double Data Rate (SDRAM) |
| DDS | Dataphone Digital Service |
| DDS | Dataphone Digital Service (AT&T) |
| DDS | Digital Data Service |
| DDSD | Delay Dial Start Dial |
| DDSN | Distributed Diagnostics and Service Network |
| DE | Discard Eligibility |
| DE | Discard Eligibility (LAPF) |
| DEA | Data Encryption Algorithm |
| DEA | Digital Exchange Access |
| DEC | Digital Equipment Corporation |
| DECmcc | DEC Management Control Center |
| DECT | Digital European Cordless Telephone |
| DECT | Digitally Enhanced Cordless Telecommunications |
| DEK | Data Encryption Key |
| DEPSK | Differential Encoded Phase Shift Keying |
| DER | Distinguished Encoding Rules |
| DES | Data Encryption Standard |
| DES | Data Encryption Standard (NIST) |
| DES | Destination End Station |
| DES | Digital Encryption Standard |
| DF | Distributing Frame |
| DF | Don't Fragment (IP) |
| DFC | Data Flow Control |
| DFL | Distributed Feedback Laser |
| DFRI | Datacom Reference Frame Input |
| DFS | Distributed File System |
| DFSK | Double Frequency Shift Keying |
| DHCP | Dynamic Host Configuration Protocol |
| DIA | Document Interchange Architecture |
| DID | Direct Inward Dialing |
| DID | Direct(ed) Inward Dialing |
| DIDR | Direct Inward Dial Number Range |
| DILIC | Dual In-Line Integrated Circuit |
| DIMM | Dual In-line Memory Module |
| DIMM | Dual Inline Memory Module |
| DIP | Dual In-line Package |
| DISA | Direct inward station access |
| DISA | Direct Inward System Access |
| DISC | Disconnect |
| DIT | Directory Information Tree |
| DL | Data Link |
| DLC | Digital Loop Carrier |
| DLCI | Data Link Connection Identifier/Indicator (GSM, LAPD, LAPF) |
| DLCI | Data Link Connection Indicator |
| DLE | Data Link Escape (BISYNC) |
| DLH | Data Link Layer Header |
| DLL | Dial Long Line |
| DLL | Dynamic Link Library |
| DLM | Distributed Lock Manager |
| DLR | Design Layout Record |
| DLR | Destination Local Reference |
| DLS | Data Link Switching |
| DLSw+ | Data-Link Switching plus (Cisco) |
| DLT | Data Link Layer Trailer |
| DLU | Dependent LU |
| DLU | Digital LU |
| DLUR | Dependent LU Requester |
| DLUS | Dependent LU Server |
| DM | Delta Modulation |
| DM | Dialogue Management |
| DM | Disconnected Mode (HDLC) |
| DMA | Direct Memory Access |
| DMAC | destination MAC |
| DMAC | Direct Memory Access Control |
| DMB | Dynamic Multipoint Bridging |
| DME | Distributed Management Environment |
| DMI | Desktop Management Interface |
| DMI | Digital Multiplex(ed) Interface |
| DML | Data Manipulation Language (SQL) |
| DMP | Data Movement Processor (Cisco) |
| DMP | Device Management Protocol |
| DMPB | Digital Multipoint Bridging |
| DMS | Digital Modular Switch |
| DMS | Digital Multiplex Switch |
| DMS | Digital Multiplex System |
| DMT | Discrete Multitone Technology |
| DMTS | Distinguished Member of Technical Staff |
| DN | Dialed Number |
| DN | Directory Number |
| DN | Directory Number (SS7) |
| DN | Distinguished Name (X.500) |
| DNA | Data Network Address |
| DNA | Digital Network Architecture |
| DNA | DoNotAge (bit) |
| DNCF | Directory Number Call Forwarding |
| DNHR | Dynamic Nonhierarchical Routing |
| DNI | Data Network Interface |
| DNIA | Dialed Number Identification Service |
| DNIC | Data Network Identification Code |
| DNIC | Data Network Identification Code (X.121) |
| DNIC | Data Network Interface (2B+D ISDN) |
| DNIS | Dialed Number Identification Service |
| DNS | Domain Name System |
| DNS | Domain Name System (IETF) |
| DNSP | Distributed Networked Services Platform |
| DNU | Digital Networking Unit |
| DOC | Dynamic Overload Control |
| DOCSIS | Data Over Cable Service Interface Specification |
| DOD | Department Of Defence |
| DOD | Direct Outward Dialing |
| DOI | Domain Of Interpretation |
| DOMSTATS | Domestic Satellite Carriers |
| DOS | Disk Operating System |
| DOS | Domestic Operator Service |
| DOV | Data Over Voice |
| DOW | Day Of Week |
| DP | Data Processing |
| DP | Detection Point |
| DP | Dial Pulse |
| DPA | Distributed Power Architecture |
| DPBX | Digital Private Brance Exchange |
| DPBX | Digital Private Branch eXchange |
| DPC | Destination Point Code (SS7) |
| DPCM | Differential Pulse Code Modulation |
| DPDU | Data (link) Protocol Data Unit |
| DPE | Digital Parity Error |
| DPG | Digital Pair Gain |
| DPL | Digital Power Line |
| DPM | call Defect Per Million |
| DPNSS | Digital Private Network Signaling System (BT) |
| DPO | Dial Pulse Originate |
| DPSK | Differential Phase Shift Keying |
| DPSK | Digital Phase Shift Keying |
| DPT | Dial Pulse Terminate |
| DPT | Dynamic Packet Transport |
| DQDB | Distributed Queue Dual Bus |
| DQDB | Distributed Queue Dual Bus (IEEE 802.6) |
| DQPSK | Digital Quadrature Phase Shift Keying |
| DR | Digit Receiver |
| DRA | Division of Ratepayer Advocates |
| DRAD | Digital Remote Antenna Driver |
| DRAM | Dynamic Random Access Memory |
| DRAM | Dynamic Random Access Memory (RAM) |
| DRCS | Dynamically Redefinable Charectes Sets |
| DRDA | Distributed Relational Database Architecture (IBM) |
| DRP | Director Response Protocol (Cisco) |
| DRP | Dispute Resolution Procedure |
| DRX | Discontinous Reception (GSM) |
| DS-0 | Digital Signal level 0 |
| DS-1 | Digital Signal level 1 |
| DS-2 | Digital Signal level 2 |
| DS-3 | Digital Signal level 3 |
| DS-CDMA | Direct Sequence CDMA |
| DS0 | Digital Signal Zero - 64 Kb/s data/voice chan |
| DS1 | Digital Signal One (DS0 x 24 = 24 DS0) |
| DS2 | Digital Signal 2 (DS1 x 4 = 96 DS0) |
| DS3 | Digital Signal 3(DS2 x 7 = 672 DS0) |
| DS | Data Services |
| DS | Digital Signal |
| DS | Directory Services |
| DS | Directory Synchronization |
| DSA | Digital Signature Algorithm |
| DSA | Directory System Agent |
| DSAP | Destination Service Access Point (LLC) |
| DSC | Digital Switch Corporation |
| DSE | Data Switching Equipment |
| DSE | Data Switching Exchange |
| DSF | Dispersion-Shifted Fiber |
| DSG | Data Systems Group |
| DSI | Digital Speech Interpolation |
| DSL | Digital Subscriber Line |
| DSLAM | Digital Subscriber Line Access Multiplexer |
| DSMA/CD | Digital Sense Multiple Access with Collision Detection |
| DSMA | Digital Sense Multiple Access |
| DSN | Data Source Name (ODBC) |
| DSN | Delivery Status Notification |
| DSN | Digital Switched Network |
| DSODP | Digital Service Office Dataport |
| DSP | Digital Signal Processor/Processing |
| DSP | Directory Service Protocol |
| DSP | Display System Protocol (packet switching) |
| DSP | Domain Specific Part |
| DSPU | Downstream Physical Unit |
| DSR | Data Set Ready |
| DSRR | Digital Short Range Radio |
| DSS | Decision Support System |
| DSS | Digital Subscriber Signaling system (ISDN, B-ISDN) |
| DSS | Digital Switched Services |
| DSSS | Direct Sequence Spread Spectrum |
| DSU | Data/Digital Service Unit |
| DSX | Digital Signal Cross-connect |
| DSX | termination hardware for DS1 and DS3's |
| DT | Dedicated Transport |
| DTAU | Digital Test Access Unit |
| DTD | Document Type Declaration |
| DTE | Data Terminal Equipment |
| DTF | Dial Tone First |
| DTF | Digital Transmission Facility |
| DTH | Direct to Home |
| DTI | Digital Trunk Interface |
| DTL | Designated Transit List |
| DTLU | Digital Terminal Line Unit |
| DTMF | Dual Tone Multi Frequency |
| DTMF | Dual Tone Multi(ple) Frequency |
| DTP | DDSN Transfer Protocol |
| DTP | Distributed Transation Processing |
| DTR | Data Terminal ready |
| DTR | Data Terminal Ready (EIA-232-E) |
| DTS | Data Terminal Set |
| DTS | Digital Terminal Systems |
| DTS | Digital Transmission Systems |
| DTU | Data Terminal Unit |
| DTV | Digital Television |
| DTZ | Discontinuous Transmission |
| DUA | Directory User Agent |
| DUAL | Diffusing Update Algorithm (Cisco) |
| DUP | Data User Part |
| DVB | Digital Video Broadcasting |
| DVI | Digital Video Interleaved |
| DVM | Data Voice Multiplexer |
| DVM | Digital Volt Meter |
| DVMRP | Distance Vector Multicast Routing Protocol |
| DVT | Digital Video Terminal |
| DVVI | Data, Voice, Video integration |
| DWDM | Dense Wavelength Division Multiplexing |
| DX | Duplex |
| DXC | Digital Cross Connect |
| DXI | Data eXchange Interface |
| DXI | Data Exchange Interface (ATM, SMDS) |
| SMBZ - SaMBoZaur - test for propagation of define:
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