Enhanced 911 (E-911) - Glossary of Terms

  • ALI: Automatic Location Identification
  • ANI: Automatic Number Identification
  • CAMA: Centralized Automatic Message Accounting
  • DID: Direct Inward Dialing Number
  • DTMF: Dual Tone Multi-Frequency Tones
  • ISDN: Integrated Services Digital Network
  • LAN: Local Area Network
  • ELIN: Emergency Location Identification Number
  • ERL: Emergency Response Location
  • MSAG: Master Street Address Guide
  • NENA: National Emergency Number Association
  • PBX: Private Branch Exchange
  • PRI: Primary Rate Interface
  • PS/ALI: Private Switch ALI
  • PSAP: Public Safety Answering Point
  • Tandem CO: Tandem Central Office or E911 Control Office

  
    E-911 Glossary of Terms  
    Enhanced 911 Glossary of Terms    


 

 

 

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