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Glossary
Need to learn the basics of E911? Brush up on terminology. Find a comprehensive list of E911 terms so you can talk the tech today. All terms and definitions provided by NENA.org.
- 9-1-1
- 9-1-1 System
- Administrative ESN (Emergency Service Number)
- ALI (Automatic Location Identification)
- Alternate Routing
- ANI (Automatic Number Identification)
- API (Application Programming Interface)
- Associated Location
- Basic 9-1-1
- BCF (Border Control Function)
- Call Routing
- Call Server
- Callback Number
- Carrier
- CBN (Call Back Number)
- Civic Address
- CRN (Contingency Routing Number)
- Customer Name Field:
- Default Route:
- DID (Direct Inward Dialing)
- DNS (Domain Name System)
- DOJ (Department of Justice)
- E9-1-1 (Enhanced 9-1-1)
- ECRF (Emergency Call Routing Function)
- EENA (European Emergency Number Association)
- ELIN (Emergency Location Identification Number)
- ESGW (Emergency Services Gateway)
- ESInet (Emergency Services IP Network)
- ESN (Emergency Service Number)
- ESQK (Emergency Services Query Key)
- ESRN (Emergency Services Routing Number
- EU (End User)
- Exchange:
- FCC (Federal Communications Commission)
- FirstNet (First Responder Network) Authority)
- Fixed Transfer
- Fixed/Static
- Gateway
- Geospatial Call Routing
- GIS (Geographic Information System)
- HELD (HTTP Enabled Location Delivery)
- i2
- i3
- i3 PSAP (i3 Public Safety Answering Point)
- ILEC (Incumbent Local Exchange Carrier)
- IP Telephony (Internet Protocol Telephony)
- IPBX or IP PBX (Internet Protocol Private Branch Exchange)
- ISDN (Integrated Services Digital Network)
- ISP (Internet Service Provider)
- LAN (Local Area Network)
- Landline
- Layer
- LEC (Local Exchange Carrier)
- Legacy 9-1-1 System Service Provider
- LIS (Location Information Server)
- LIS-ID (Location Information Server Identifier
- LNG (Legacy Network Gateway)
- LO (Location Object)
- Local Notification
- Location
- Location Determination
- Location Information
- Location-aware
- Location-capable
- LPG (Legacy PSAP Gateway)
- LQF (Location Query Function)
- LSRG (Legacy Selective Router Gateway)
- Mapping
- Misroute
- Misrouted Call
- MLTS (Multi-Line Telephone System)
- Mobile
- MSAG (Master Street Address Guide)
- NANP (North American Numbering Plan)
- NENA (National Emergency Number Association)
- Network Location Determination
- NG9-1-1 (Next Generation 9-1-1)
- Nomadic
- Nomadic VoIP Call
- NOTIFY
- NSP (Network Service Provider)
- Number Pooling
- PBX (Private Branch Exchange)
- PIDF (Presence Information Data Format)
- PIDF-LO (Presence Information Data Format – Location Object)
- POTS (Plain Old Telephone Service)
- PRI (Primary Rate ISDN)
- Private 9-1-1 Emergency Answering Point
- Proxy
- PSALI (Private Switch ALI)
- PSAP (Public Safety Answering Point)
- PSTN (Public Switched Telephone Network)
- SBC (Session Border Controller)
- Service Provider
- SIP (Session Initiation Protocol)
- SNMP (Simple Network Management Protocol)
- SOAP (Simple Object Access Protocol)
- Selective Routing
- SS7 (Signaling System 7)
- Station Identification
- TCP/IP (Transmission Control Protocol/Internet Protocol)
- Telecommunicator
- Trunk
- VLAN (Virtual LAN)
- VoIP (Voice over Internet Protocol)
- VPC (VoIP Positioning Center)
- VPN (Virtual Private Network)
- VSP (VoIP Service Provider)
