Category:Glossary
The Glossary category includes pages that define terms and acronyms that are unique to 9-1-1 and emergency services or have specialized usage in NENA documents.
Pages in category "Glossary"
The following 609 pages are in this category, out of 609 total.
A
- A-GPS (Assisted-Global Positioning System)
- AACN (Advanced Automatic Collision Notification)
- Access Line
- Access Provider
- ACD (Automatic Call Distributor)
- ACL (Access Control List)
- Acoustic Coupler
- ADA (Americans with Disabilities Act)
- Additional Data
- Address Types
- ADM (NENA Administrative Document)
- Administrative ESN (Emergency Service Number)
- ADR (Additional Data Repository)
- AES (Advanced Encryption Standard)
- AFLT (Advanced Forward Link Trilateration)
- Agency
- Agency Identifier
- Agent
- AIP (Access Infrastructure Provider)
- ALE (Access Location Entity)
- ALI (Automatic Location Identification)
- ALRS (Agency Locator Record Store)
- Alternate Address Record
- Alternate Routing
- Altitude
- ANI (Automatic Number Identification)
- ANS (American National Standard)
- ANSI (American National Standards Institute)
- ANSI BSR (Board of Standards Review)
- Answering Position
- AOA (Angle of Arrival)
- APCO (Association of Public Safety Communications Officials)
- API (Application Programming Interface)
- AQS (ALI Query Service)
- Artifact
- ASL (American Sign Language)
- ASL Gloss (American Sign Language Gloss)
- ASN (Autonomous System Number)
- ASRR (Average Sector Radius Range)
- ATIS (Alliance for Telecommunications Industry Solutions)
- Authoring Working Group
- Authoritative
- Authorized Observer
- Average Busy Hour
- AVL (Automatic Vehicle Location)
B
C
- CAD (Computer Aided Dispatch)
- CALEA (Commission on Accreditation for Law Enforcement Agencies)
- Call
- Call Back
- Call Handling
- Call Identifier
- Call Progress Signals
- Call Queuing
- Call Relay
- Call Routing
- Call Server
- Call Set-up Time
- Calling Party Hold
- CAMA (Centralized Automated Message Accounting)
- CAP (Common Alerting Protocol)
- Carrier
- CAS (Call/CallPath/Channel Associated Signaling)
- CDR (Call Detail Record)
- Cell Sector
- Cell Site
- Centrex
- Centroid
- CERT (Community Emergency Response Team)
- Certificate Authority
- CGL (Calling Geodetic Location)
- CHGN (Charge Number)
- CHS (Call Handling System)
- CID (Company Identifier)
- Cid (Content Identifier)
- CIF (Critical Issues Forum)
- Circuit-Switched Networks
- CISA (Cybersecurity and Infrastructure Security Agency)
- CISC (CRTC Interconnection Steering Committee)
- CISD (Critical Incident Stress Debriefing)
- CISM (Critical Incident Stress Management)
- CJIS (Criminal Justice Information Services)
- CLDXF-US (Civic Location Data Exchange Format - United States)
- Client ID
- CLLI (Common Language Location Identifier)
- CMRS (Commercial Mobile Radio Service)
- CO (Central Office)
- Code Point
- CODEC (Coder/DECoder or Compression/DECompression)
- Collaboration Functional Element
- COLT (Cell on Light Truck)
- Common Trunk Group
- Communications Assistant
- Confidence/Uncertainty
- Congestion Control
- Consensus Body
- COOP (Continuity of Operations Plan)
- CoS (Class of Service)
- COW (Cell On Wheels)
- CPE (Customer Premises Equipment)
- CRDB (Coordinate Routing Database)
- CRM (Committee Resource Manager)
- CRN (Contingency Routing Number)
- CRTC (Canadian Radio-television and Telecommunications Commission)
- CSRIC (Communications Security, Reliability and Interoperability Council)
- CTI (Computer Telephone Integration)
- CTIA (Cellular Telephone Industry Association)
- CTX-IP (Centrex-based Internet Protocol)
D
- DAS (Distributed Antenna System)
- Data Domain
- DBMS (Data Base Management System)
- DBMSP (Data Base Management System Provider)
- DCE (Data Communications Equipment)
- Dedicated Trunk
- Default Routing
- Delegate Credential Authorities
- Demarcation Point
- Dereference
- DES (Data Encryption Standard)
- Development Committee
- Diffserv
- Direct and equal Access
- Direct Dispatch
- Discrepancies
- Dispatch System
- Diverse Routing
- DMZ (Demilitarized Zone)
- DNS (Domain Name System)
- DNSSEC (Domain Name System Security Extensions)
- DoS (Denial of Service)
- DR (Discrepancy Report)
- DSC (Development Steering Council)
- DSCP (Differentiated Services Code Point)
- DSig (Digital Signature)
- DSL (Digital Subscriber Line)
- DSLAM (Digital Subscriber Line Access Multiplexer)
- DTE (Data Terminal Equipment)
- DTLS (Datagram Transport Layer Security)
- DTMF (Dual Tone Multi-Frequency)
E
- E-OTD (Enhanced Observed Time Difference)
- E.164 number
- E2 Interface
- E9-1-1 (Enhanced 9-1-1)
- EAB (Education Advisory Board)
- ECC (Emergency Communications Center)
- ECRF (Emergency Call Routing Function)
- Ecrit (Emergency Context Resolution with Internet Technologies)
- EDXL (Emergency Data eXchange Language)
- EENA (European Emergency Number Association)
- EIDO (Emergency Incident Data Object)
- EIGRP (Enhanced Interior Gateway Routing Protocol)
- Element Identifier
- Elevation
- ELIN (Emergency Location Identification Number)
- ELT (English Language Translation)
- EMS (Emergency Medical Service)
- ENP (Emergency Number Professional)
- ENS (Emergency Notification Systems)
- Enterprise Network
- Enumeration
- EOC (Emergency Operations Center)
- EPSG (European Petroleum Survey Group)
- ERDB (Emergency Routing Database)
- ES (Emergency Service) Trunks
- ESCO (Emergency Service Central Office Number)
- ESGW (Emergency Services Gateway)
- ESIF (Emergency Services Interconnection Forum)
- ESInet (Emergency Services IP Network)
- ESME (Emergency Services Message Entity)
- ESN (Electronic Serial Number)
- ESN (Emergency Service Number)
- ESNE (Emergency Services Network Entity/Element)
- ESP (Emergency Service Protocol)
- ESQK (Emergency Services Query Key)
- ESRD (Emergency Services Routing Digit)
- ESRK (Emergency Services Routing Key)
- ESRN (Emergency Services Routing Number)
- ESRP (Emergency Service Routing Proxy)
- ESS (External Switching Systems)
- ESZ (Emergency Service Zone)
- ETNS (Emergency Telephone Notification Systems)
- ETSI (European Telecommunications Standards Institute)
- EUMI (End User Move Indicator)
- EVRC (Enhanced Variable Rate Codec) Narrowband
- EVRC-WB (Enhanced Variable Rate Codec-Wideband)
- Exchange
F
- FAC (Facility) SS7 Message
- Failed Migrate Record
- Fast Busy
- FBCA (Federal Bridge Certification Authority)
- FCC (Federal Communications Commission)
- FCC PSAP registry (Federal Communications Commission Public Safety Answering Point registry)
- FCI (Feature Code Indicator)
- FE (Functional Element)
- Femtocell
- FGD (Feature Group D)
- FGDC (Federal Geographic Data Committee)
- FIPS (Federal Information Processing Standards)
- First Responder
- FirstNet (First Responder Network Authority)
- FOC (Function of Change)
- Forced Disconnect
- Forest Guide
- FQDN (Fully Qualified Domain Name)
- FRA (Federal Railroad Administration)
- FRC (Field Responder Client)
- FTTP (Fiber to the Premise)
G
- G.711
- Gateway
- GCS (GeoCode Service)
- GDP (Generic Digits Parameter)
- Geocoding
- Geopriv (Geographic Location/Privacy)
- GeoRSS (Geodetic Really Simple Syndication)
- GeoShape Element
- Geospatial Call Routing
- GETS (Government Emergency Telecommunications Service)
- GIS (Geographic Information System)
- GML (Geography Markup Language)
- GMLC/MLC (Gateway Mobile Location Center)
- GNIS (Geographic Names Information System)
- GoS (Grade of Service)
- GPS (Global Positioning System)
- GRUU (Globally Routable User agent URI)
- GSM (Global Standard for Mobile Communications)
H
- H.264/MPEG-4
- HAE (Height Above Ellipsoid)
- Hard of Hearing
- HCO (Hearing Carry Over)
- Height
- HELD (HTTP Enabled Location Delivery)
- HIPAA (Health Insurance Portability and Accountability Act)
- HMI (Human Machine Interface)
- Host
- HTRA (Human Trafficking Rescue Alliance)
- HTTP (Hypertext Transfer Protocol)
- Human Trafficking
I
- I3
- IANA (Internet Assigned Numbers Authority)
- IBCF (Interconnection Border Control Function)
- ICANN (Internet Corporation for Assigned Names and Numbers)
- ICE (Industry Collaboration Event)
- ICS (Incident Command System)
- IDX (Incident Data eXchange)
- IEPD (Information Exchange Package Document)
- IETF (Internet Engineering Task Force)
- IJIS (Integrated Justice Information Systems Institute)
- IM (Instant Messaging)
- IMEI (International Mobile Equipment Identity)
- IMR (Interactive Media Response)
- IMS (IP Multimedia Subsystem)
- IMSI (International Mobile Station Identity)
- IN (Intelligent Network)
- Incident
- Incident Tracking Identifier
- INCITS (International Committee for Information Technology Standards)
- INF (NENA Information Document)
- Inter-local Services Agreement
- Interoperability
- IoT (Internet of Things)
- IP (Internet Protocol)
- IP (Internet Protocol) Access Network
- IP Relay Service (Internet Protocol Relay Service)
- IPAWS (Integrated Public Alert Warning System)
- IPBX or IP PBX (Internet Protocol Private Branch Exchange)
- IPR (Intellectual Property Rights)
- IPSec (Internet Protocol Security)
- IPv4 (Internet Protocol Version 4)
- IPv6 (Internet Protocol Version 6)
- IRI (Incident-Related Imagery)
- IRIG (Inter-Range Instrumentation Group)
- IRR (Instant Recall Recorder)
- ISCM (Information Security Continuous Monitoring)
- ISDN (Integrated Services Digital Network)
- ISF (Issue Submission & Charter Form)
- ISO (International Standards Organization)
- ISSI (Inter-RF Sub System Interface)
- ITRS (Internet Telecommunications Relay Service)
- ITS (Intelligent Transportation System)
- ITU (International Telecommunication Union)
L
- L2TP (Layer-2 Tunneling Protocol)
- LAN (Local Area Network)
- Landline
- LATA (Local Access and Transport Area)
- LDB (Location Database)
- LEC (Local Exchange Carrier)
- LEO (Law Enforcement Online)
- LERG (Local Exchange Routing Guide)
- LIF (Location Interwork Function)
- LIFELINE (National Suicide Prevention Lifeline)
- LIS (Location Information Server)
- LNG (Legacy Network Gateway)
- LO (Location Object)
- Location
- Location Acquisition
- Location By-Reference
- Location By-Value
- Location Conveyance
- Location Estimate
- Location Sanity Check Mechanism
- Location URI (Uniform Resource Identifier)
- Location-aware
- Location-capable
- Location-incapable
- Location-unaware
- LogEvent
- Logging Recorder
- Logical Demarcation
- Login
- Loopback
- LoST (Location-to-Service Translation) Protocol
- Lost otherwise missing
- LPG (Legacy PSAP Gateway)
- LQF (Location Query Function)
- LRO (Last Routing Option)
- LSR (Local Service Request)
- LSRG (Legacy Selective Router Gateway)
- LSSGR (LATA Switching Systems Generic Requirements)
- LTE (Long Term Evolution)
- LVF (Location Validation Function)
M
- Macrocell
- Management Console
- Mass Calling Event
- Master Clock
- MCC (Mobile Competence Centre)
- MCS (MSAG Conversion Service)
- MDS (Mapping Data Service)
- MDT (Mobile Data Terminal)
- Method of Location Determination
- Method token
- Metrocell
- MF (Multi-Frequency)
- MGCP (Media Gateway Control Protocol)
- MIB (Management Information Base)
- Microcell
- MIME (Multipurpose Internet Mail Extensions)
- MIS (Management Information System)
- MLP (Mobile Location Protocol)
- MLTS (Multi-Line Telephone System)
- MMS (Multimedia Messaging Service)
- MOU (Memorandum of Understanding)
- MPC/GMLC (Mobile Positioning Center / Gateway Mobile Location Center)
- MPCAP (Mobile Positioning Capability)
- MPLS (Multiprotocol Label Switching)
- MSAG (Master Street Address Guide)
- MSC (Mobile Switching Center)
- MSID (Mobile Station Identity)
- MSRP (Message Session Relay Protocol)
- MTP (Message Transfer Part)
- Multimedia
N
- NAD 83 (North American Datum of 1983)
- NAK (Negative Acknowledgement)
- Namespace Name
- NANP (North American Numbering Plan)
- NAPT (Network Address and Port Translation)
- NAS (Network Access Server)
- NASNA (National Association of State 9-1-1 Administrators)
- National 911 Program
- NCAS (Non Call Associated Signaling)
- NCIC (National Crime Information Center)
- NCMEC (National Center for Missing and Exploited Children®)
- NDG (NENA Development Group)
- NEAD (National Emergency Address Database)
- NECA (National Exchange Carrier Association)
- NENA (National Emergency Number Association)
- NETCONF (Network Configuration Protocol)
- Network Location Determination
- Next Hop
- NFPA (National Fire Protection Association)
- NG-SEC (Next Generation 9-1-1 Security)
- NG9-1-1 (Next Generation 9-1-1)
- NG9-1-1 Call Processing
- NGCS (Next Generation 9-1-1 Core Services)
- NGUID (NENA Globally Unique ID)
- NHTRC (National Human Trafficking Resource Center)
- NHTSA (National Highway Traffic Safety Administration)
- NIC (National Integration Center)
- NIEM (National Information Exchange Model)
- NIF (NG9-1-1 Specific Interwork Function)
- NIMS (National Incident Management System)
- NIOC (NG9-1-1 Interoperability Oversight Commission)
- NISO (National Information Standards Organization)
- NIST (National Institute of Standards and Technology)
- NJTI (National Joint TERT Initiative)
- Notifier
- NPA (Numbering Plan Area)
- NPD (Numbering Plan Digit)
- NPRM (Notice of Proposed Rulemaking)
- NRF (No Record Found)
- NRS (NENA Registry System)
- NRSC (Network Reliability Steering Committee)
- NRTL (Nationally Recognized Testing Laboratory)
- NSI (Non-Service Initialized)
- NTP (Network Time Protocol)
- NTSB (National Transportation Safety Board)
- Number Pooling
- Number Portability
- NWS (NENA Workspace)
- NXX
O
- OASIS (Organization for the Advancement of Structured Information Standards)
- OCIF (Outbound Call Interface Function)
- OCSP (Online Certificate Status Protocol)
- OGC (Open Geospatial Consortium)
- OLI (Originating Line Identification parameter)
- OMA (Open Mobile Alliance) SpecWorks
- OPX (Off-Premises Extension)
- Originating Carrier
- Origination Network
- OSI (Open Systems Interconnection)
- OSPF (Open Shortest Path First)
- OSS (Operational Support Systems)
- OTT (over-the-top)
- Outgoing Alert Functional Element
P
- P25 (Project 25)
- PALI (Pseudo Automatic Location Identification)
- Parcel
- Parity
- Participant
- Participating Entity
- PASSporT (Personal Assertion Token)
- PBX (Private Branch Exchange)
- PCA (PSAP Credentialing Agency)
- PDE (Position Determining Entity)
- PHB (Per Hop Behaviors)
- Physical Demarcation
- Picocell
- PIDF (Presence Information Data Format)
- PIDF-LO (Presence Information Data Format - Location Object)
- PIF (Protocol Interworking Function)
- Pilot Number
- PKI (Public Key Infrastructure)
- POI (Point of Interconnection)
- Point-in-Polygon selection
- Policy Store
- Position Source
- POSIX (Portable Operating System Interface)
- POTS (Plain Old Telephone Service)
- PRC (Process Review Committee)
- Pre-programmed message
- Presence
- PRF (Policy-based Routing Function)
- Private 9-1-1 Emergency Answering Point
- Property
- Protected Service Occupation
- Proxy
- Proxy or Proxy Server/Policy and Routing Server
- PRR (Policy Routing Rules)
- PSALI (Private Switch ALI)
- PSAP (Public Safety Answering Point)
- PSBN (Public Safety Broadband Network)
- PSTN (Public Switched Telephone Network)
- PTSC (Packet Technologies and Services Committee)
- Push
R
- Rate Center
- RCL (Road Centerline)
- RDO (Root Discovery Operator)
- RDS (Responder Data Services)
- Recall Recorder
- Recirculation Ballot
- REF (NENA Reference Publication)
- REQ (NENA Requirements Document)
- Response Agency
- REST (Representational State Transfer)
- Retrieval Key
- RF Fingerprinting (Radio Frequency Fingerprinting)
- RFC (Request for Comment)
- RFI (Request for Information)
- RFP (Request for Proposal)
- Ringback Tone
- RMS (Records Management System)
- RNA (Routing Number Authority)
- ROH (Receiver Off-Hook)
- Routing ESN (Emergency Service Number)
- RTCP (Real-time Transport Control Protocol)
- RTP (Real Time Protocol)
- RTSP (Real Time Streaming Protocol)
- RTT (Real Time Text)
S
- SAML (Security Assertion Markup Language)
- SAP (Service Activation Parameter)
- SAR (Suspicious Activity Report)
- SBC (Session Border Controller)
- SBP (Standards & Best Practices Conference)
- SBR (Skills-Based Routing)
- Scheme
- SCP (Service Control Point)
- SCTP (Stream Control Transmission Protocol)
- SDO (Standards Development Organization)
- SDP (Session Description Protocol)
- Security Posture
- Selective Routing
- Service Boundary
- Service Environment
- Service Mapping
- Service Mobility
- Service Order
- Service Provider
- Service Registry
- Service Type
- Service URN (Uniform Resource Name)
- SFG (Simulated Facility Group)
- SHA (Secure Hash Algorithm)
- SHAKEN (Signature-based Handling of Asserted Information Using toKENs)
- Shell Record
- SI (Spatial Interface)
- Signature Control
- Single Point of Failure
- SIP (Session Initiation Protocol)
- SLA (Service Level Agreement)
- Small Cells
- SMS (Short Message Service)
- SNTP (Simple Network Time Protocol)
- SOI (Service Order Input)
- SOP (Standard Operating Procedure)
- SOS URN
- Spatial Data
- Speech Disability
- SR (Selective Router)
- SRC (Session Recording Client)
- SRTP (Secure Real Time Protocol)
- SRV (Service)
- SS7 (Signaling System No. 7)
- SSH (Secure Shell)
- SSL (Secure Socket Layer)
- SSO (Single Sign-On)
- SSRC (Synchronization Source)
- ST (Start)
- STA (NENA Standards Document)
- Station Identification
- STIR (Secure Telephone Identity Revisited)
- STP (Start Prime)
- Stranded Unlock Record
- STUN (Session Traversal Utilities for NAT)
- Substantive Change
- System
T
- T1
- TA (Technical Assistance)
- TAR (Taxing Area Rate) Code
- TDM (Time Division Multiplexing)
- Telecommunicator
- Telephone Number
- TERT (Telecommunicator Emergency Response Taskforce)
- TIA-232-F
- Time Server
- TLS (Transport Layer Security)
- TOA (Time of Arrival)
- Transcoding
- Transfer
- Transfer Key
- Transport Facility
- TRS (Telecommunications Relay Service)
- Trunk
- TSP (Telephone Service Priority)
- TTY (Teletypewriter)
- TTY Protocol
- TTY-PASS (TTY Performance Assessment and Scoring System)
- TVW (Testing Validation Worksheet)
- TYS (Type of Service)
V
- VCO (Voice Carry Over)
- VDB (Validation Database)
- VEDS (Vehicle Emergency Data Sets)
- VEP (VoIP Endpoint)
- VESA (Valid Emergency Services Authority)
- VESA Certificate
- Video Interpreter
- VoIP (Voice over Internet Protocol)
- VPC (VoIP Positioning Center)
- VPN (Virtual Private Network)
- VRI (Video Remote Interpreting)
- VRS (Video Relay Service)
W
- WAN (Wide Area Network)
- WAP (Wireless Access Point)
- Web service
- WFS (Web Feature Service)
- WG (Working Group)
- WGS 84 (World Geodetic System 1984)
- Wi-Fi ®
- WiMAX (Worldwide Interoperability for Microwave Access)
- Wink
- Wireless Phase I & II
- WNC (Wireless Network Controller)
- WPS (Wireless Priority Service)
- WSDL (Web Service Description Language)