Telecom acronyms and abbreviations

 Here is a useful guide to a few telecom-related acronyms and abbreviations. 





A 
AAAAuthentication, Authorization, and Accounting
ACEAccess Control Entry
ACI-EAccessIntegrator Ethernet
ACLAccess Control List
ACSAuto-Configuration Server
ADSLAsymmetric Digital Subscriber Line
AdtranAdvanced Transmission
AESAdvanced Encryption Standard
ALNAdtran Learning Network
AMSAuto-Media Select
AOEAdvanced Operational Environment
AONActive Optical Network
AOSAdtran Operating System
APAccess Point
APIApplication Programming Interface
APSAutomatic Protection Switching
ARPAddress Resolution Protocol
ASCAdtran Support Community
ASEAdtran Switch Engine
ASPAdtran Sales Professional
ATMAsynchronous Transfer Mode
ATSAAdtran Technical Solutions Associate
ATSEAdtran Technical Solutions Expert
ATSPAdtran Technical Solutions Professional
B 
BBABroadband Access
BBDLCBroadband Digital Loop Carrier
BGPBorder Gateway Protocol
BNGBroadband Network Gateway
BPONBroadband Passive Optical Network
BSAPBluesocket Access Point
BSSBusiness Support Systems
C 
CAPSCustomer and Product Support
CASChannel Associated Signaling
CCContinuity Check
CCMContinuity Check Message
CDPCisco Discovery Protocol
CEBPCommunications-Enabled Business Processes
CLECCompetitive Local Exchange Carrier
CLICommand Line Interface
COCentral Office
CoAChange of Authority
CODECCoder-Decoder
CoSClass of Service
CoSID Class of Service Identifier
CPCaptive Portal
CPECustomer Premises Equipment
CPEaaSCustomer Premises Equipment as a Service
CSPCompetitive Service Provider
CSRCustomer Service Representative
C-TagCustomer VLAN Tag
CTIComputer Telephone Integration
C-TPATCustoms Trade Partners Against Terrorism
CWMPCPE WAN Management Protocol
CXUConfiguration Switch Unit
D 
DBDatabase
DDMIDigital Diagnostics Monitoring Interface
DDSDigital Data Services
DEIDrop Eligible Indicator
DESData Encryption Standard
DFSDynamic Frequency Selection
DHCPDynamic Host Configuration Protocol
DHCPv6Dynamic Host Configuration Protocol version 6
DIDDirect Inward Dialing
DNSDomain Naming System
DOCSISData-over-Cable Service Interface Specification
DOSDenial of Service
DPLDrop Precedence Level
DPoEDOCSIS Provisioning of EPON
DSDownstream
DS0Digital Signal 0
DS1Digital Signal 1
DSADigital Signature Algorithm
DSCPDifferentiated Services Code Point
DSLDigital Subscriber Line
DSLAMDigital Subscriber Line Access Multiplexer
DSU-DPData Service Unit Data Port
DVTDesign Verification Testing
E 
ECEEVC Control Entry
EEEEnergy Efficient Ethernet
EFMEthernet in the First Mile
ELPSEthernet Linear Protection Switching
EMFElectro-Motive Force
EMSEnvironmental Management System
EMSElement Management System
EoCUEthernet over Copper
EoFEthernet over Fiber
EoTDMEthernet over TDM
EPONEthernet Passive Optical Networking
EPSEthernet Protection Switching
ERPEnterprise Resource Planning
ERPSEthernet Ring Protection Switching
ESDElectro-Static Discharge
ESDSElectro-Static Discharge Sensitive
EULAEnd-User License Agreement
EVCEthernet Virtual Connection
F 
FCCFederal Communications Commission
FIBForwarding Information Base
FiOSFiber Optic Service
FPGAField-Programmable Gate Array
FTPFile Transfer Protocol
FTTBFiber-to-the-Building (or Basement)
FTTHFiber-to-the-Home
FTTNFiber-to-the-Node
FTTPFiber-to-the-Premises
FWFirmware
G 
GARPGeneric Attribute Registration Protocol
GEMport GPON Encapsulation Method port
GPONGigabit Passive Optical Network
GUIGraphical User Interface
GUIDGlobally Unique Identifier
GVRPGARP VLAN Registration Protocol
H 
HDSLHigh bit-rate Digital Subscriber Line
HDXHigh Density Expansion
HFCHybrid Fiber Coax
HMISHazardous Materials Identification System
HQoSHierarchical Quality of Service
HSDPAHigh-Speed Downlink Packet Access
HTTPHypertext Transfer Protocol
HTTPSHypertext Transfer Protocol over Secure Socket Layer
HTU-RHDSL Service Unit-Remote
HWHardware
I 
IADIntegrated Access Device
ICMPInternet Control Message Protocol
IEEEInstitute for Electrical and Electronic Engineers
IGMPInternet Group Management Protocol
ILECIncumbent Local Exchange Carrier
IMAPInternet Message Access Protocol
INInternetworking
IoTInternet of Things
IPInternet Protocol
IPBGIP Business Gateways
IPMCIP Multicast
IPTVInternet Protocol Television
IPv4Internet Protocol version 4
IPv6Internet Protocol version 6
ISDNIntegrated Services Digital Network
ISOInternational Standards Organization
ISPInternet Service Provider
ISUISDN Service Unit
IVLIndependent VLAN Learning
IVRInteractive Voice Response
J 
JSONJavaScript Object Notation
K 
KTSKey Telephone Systems
L 
LACPLink Aggregation Control Protocol
LAGLink Aggregation Group
LANLocal Area Network
LLCLogical Link Control
LLDPLink-Layer Discover Protocol
LLQILast Listener Query Interval
LoCLoss of Connectivity
LoRaWANLong Range Wide Area Network
LTELine Terminating Equipment
LTVLifetime Value
M 
MACMedia Access Control
MANMetropolitan Area Network
MD5Message Digest Algorithm 5
MDMMosaic Device Manager
MDUMultiple Dwelling Unit
MENMetro Ethernet Network
MEPMaintenance Entity Endpoint
MGCPMedia Gateway Control Protocol
MHAMosaic Home Analytics
MIBSManagement Information Base
MLDMulticast Listener Discovery
MNIMosaic Network Insights
MOPMethod of Procedure
MOSMean Opinion Score
MosaicCP Mosaic Cloud Platform
MPLSMultiple Protocol Label Switching
MPLSMultiple Protocol Layer Switching
MRPMultiple Registration Protocol
MSAPMulti-Service Access and Aggregation Platform
MSOMulti-Service Operator (cable company)
MSTPMultiple Spanning Tree Protocol
MTOSIMulti-Technology Operations Systems Interface
MTUMaximum Transmission Units
MVRMulticast VLAN Registration
MVRPMultiple VLAN Registration Protocol
N 
NASNetwork Access Server
NATNetwork Address Translation
NDMNetwork Device Manager
NetBIOSNetwork Basic Input/Output System
NFSNetwork File System
NFVNetwork Function Virtualization
NIMNetwork Interface Module
NISNetwork Integration Services
NMSNetwork Management System
NNINetwork-to-Network Interface
NOCNetwork Operations Center
NQMNetwork Quality Monitoring
NSPNational Service Provider
NTPNetwork Time Protocol
O 
OAMOperation, Administration, and Maintenance
OCU-DPOffice Channel Unit Data Port
ODBCOpen Database Connectivity
ODNOptical Distribution Network
OEMOriginal Equipment Manufacturer
OIDObject Identifier
OLTOptical Line Terminal
ONEOptical Networking Edge
ONTOptical Network Terminal
ONUOptical Network Units
OPOutside Plant
OSAOpen Systems Architecture
OSIModel Open Systems Interconnection Model
OSPFOpen Shortest Path First
OSSOperations Support Systems
OTDROptical Time-Domain Reflectometer
OTTOver the Top
OUIOrganizationally Unique Identifier
P 
PBXPrivate Branch Exchange
PCAPPacket Capture
PCBPrinted Circuit Board
PCPPriority Code Point
PDPowered Device
PHYPhysical Layer Device
PoEPower over Ethernet
PONPassive Optical Network
POP3Post Office Protocol Version 3
POSTPower On Self Test
POTSPlain Old Telephone Service
PPPPoint-to-Point Protocol
PPPoEPoint-to-Point Protocol over Ethernet
PRIPrimary Rate Interface
PSFPPer-Stream Filtering and Policing
PSTNPublic Switched Telephone Network
PTPPrecision Time Protocol
Q 
QAQuality Assurance
QCEQoS Control Entry
QCLQoS Control List
QLQuality Level
QoSQuality of Service
QuESTQuality Excellence for Suppliers of Telecommunications
R 
RADIUSRemote Authentication Dial-In User Service
RARPReverse Address Resolution Protocol
RBOCRegional Bell Operating Companies
RDIRemote Deflect Indication
RESTRepresentational State Transfer
RFRadio Frequency
RFoGRadio Frequency over Glass
RGResidential Gateway
RHELRedHat Enterprise Linux
RIBRouting Information Base
RIPRouting Information Protocol
RoHSRestriction of Hazardous Substances
RPCRemote Procedure Call
RPRResilient Packet Ring
RSTPRapid Spanning Tree Protocol
RTRemote Terminal
RTOReturn to Operation
RTPReal-time Transport Protocol
RxReceive
S 
SaaSSoftware as a Service
SBCSession Border Controller
SDGService Delivery Gateway
SDHSynchronous Digital Hierarchy
SDNSoftware-Defined Networking
SDVTSystem Design Verification Testing
SFPSmall Form Factor Pluggable
SFUSingle Family Unit
SHASecure Hash Algorithm
SHDSLSingle-pair High-speed Digital Subscriber Line
SIPSession Initiation Protocol
SLAService-Level Agreement
SMBSmall- and Medium-sized Businesses
SMTPSimple Mail Transfer Protocol
SNAPSubnetwork Access Protocol
SNMPSimple Network Management Protocol
SNTPSimple Network Time Protocol
SOAPSimple Object Access Protocol
SO-HOSmall Office/Home Office
SONETSynchronous Optical Network
SPOCSingle Point of Contact
SRSeamless Redundancy
SSHSecure Shell
SSIDService Set Identifier
SSLSecure Socket Layer
SSMSynchronization Status Message
SSOSingle Sign-On
S-TagService VLAN Tag
STBSet-Top Box
STPSpanning Tree Protocol
STUNSession Traversal Utilities for NAT
SVLShared VLAN Learning
SWSoftware
SyncSynchronization
T 
TACACS+Terminal Access Controller Access Control System Plus
TASTime Aware Shaper
TBaaSTestbeds as a Service
TCPTransmission Control Protocol
TDMTime Division Multiplexing
TELCOTelephone Company
TFTPTrivial File Transfer Protocol
TKIPTemporary Key Integrity Protocol
TL9000Telecommunications Leadership 9000
TLSTransport Layer Security
TLVType Length Value
ToSType of Service
TSUT1 Service Unit
TTLTime to Live
TT-LoopTraffic Test Loop
TxTransmit
U 
UBEUltra Broadband Ethernet
UCUnified Communications
UCASUnified Communications Appliance Solutions
UDLDUnidirectional Link Detection
UDMUniversal Device Management
UDPUser Datagram Protocol
UIUser Interface
UNIUser-Network Interface
UPnPUniversal Plug-and-Play
URIUniform Resource Identifier
URLUniform Resource Locator
UXUser Experience
V 
VDSLVery high bit-rate Digital Subscriber Line
VLANVirtual Local Area Network
VMVirtual Machine or Virtual Memory
VoATMVoice over Asynchronous Transfer Mode
VoIPVoice over Internet Protocol
VPNVirtual Private Network
VQMVoice Quality Monitoring
VRFInstance Virtual Routing and Forwarding Instance
VRRPVirtual Router Redundancy Protocol
vWLANVirtual Wireless LAN
W 
WANWide Area Network
WAPWireless Access Point
WDMWavelength Division Multiplexing
WEEEWaste Electrical and Electronic Equipment
WEPWired Equivalent Privacy
Wi-FiCommon terminology/industry term used to describe the IEEE
802.11suite of protocols.
WLANWireless Local Area Network
WMEWireless Multimedia Extensions
WMFWireless Multicast Forwarding
WPAWiFi Protected Access
WPA2WiFi Protected Access version 2
WPA-PSKWiFi Protected Access Pre-Shared Key
WPA-RADIUSWiFi Protected Access RADIUS
WPSWiFi Protected Setup
WREDWeighted Random Early Detection
WTRWait to Restore
X, Y, Z 
ZTQZero-Term Query

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