1
A telephone line that transmits signals from one station to another along a wire without the use of radio waves
Landline
A feature that enables a service supplier to identify the telephone number of a caller and that operates by forwarding the caller's telephone number to the public safety answering point
ANI (Automatic Number Identification)
Is a communication facility that is operated continuously, assigned the responsibility to receive 9-1-1 calls, dispatch them, transfer or relay calls to other agencies, first point of reception by pubic safety agency of a 9-1-1 call and serves the jurisdictions in which it is located or other participating jurisdictions
Public Safety Answering Point
(PSAP)
This is a device that is used with a telephone to communicate with persons with hearing disabilities or speech disabilities
Teletypewriter (TTY)
This is a telephone service that allows persons with hearing or speech disabilities to place and receive telephone calls
Telecommunications Relay Service (TRS)
Technology that allows you to make voice calls using broadband internet connection instead of a regular phone line
VOIP (voice over internet protocol)
an evolutionary transition to enable the general public to make a 911 “call” 24 from any wired, wireless, or Internet Protocol (IP)-based device
Nex Gen (NG) 9-1-1
Standard for answering 9-1-1 Calls
Call answering
Title II requires that telephone emergency service systems be compatible with all codes used for TTY communications. . Currently, telephone emergency services must only be compatible with this format
Baudot
Due to a large number of Spanish speakers in the United States, the FCC requires interstate TRS providers to offer Spanish-to-Spanish traditional TRS
Shared Non-English Language Relay Services
ability to send a a text message to reach 911 emergency call takers from you mobile phone or device
Text-to-911
A feature that matches the address or location of the telephone from which the call is made and is presented to the public safety answering point along with the number in a computerized 9-1-1 system.
ALI (automatic Location Identifcation)
The method of responding to a telephone request for emergency service by which a public safety answering point transfers the call directly to the appropriate public safety agency or another provider of emergency services for appropriate action
Transfer Method
This feature places incoming calls into a queue, sends out a programmed message to callers to let them know that their calls have been received, and distributes calls to the next available call taker. This feature, if offered, must also be accessible for TTY calls
Automatic Call Distribution
This is used by persons with a hearing disability but some residual hearing. It uses a special telephone that has a text screen to display captions of what the other party is saying
Captioned Telephone Service
this technology allows text to be sent immediately as it is created through wireless handsets
Real-time Text (RTT)
Includes selective transfer, fixed transfer, alternate routing, default routing, PSAP evacuation (abandonment) routing and call detail record.
E 9-1-1 (enhanced 9-1-1 system)
Blind transfer: means failing to advise the calling party that the call is being transferred and failing to remain on the line until there is confirmation that the appropriate transfer has been made.
Transfer Liability
This allows a TTY user to type words on the TTY and hear call takers’ spoken responses through the handset.
Hearing Carryover (HCO)
Dialing this number makes it easier for travelers to use TRS because they do not have to remember TRS numbers in every state
711
These are the favorite tools of terrorists, pranksters, telephone hackers and decoy callers
NSI (non-service initialized phones)
Before the designation of 9-1-1 as the nationwide three-digit emergency call number, if someone had an emergency, s/he dialed “o” for an operator. This could be an incredibly stressful situation – and often ineffective – not only for the calling party but also for the telephone company operator who did not necessarily have the best tools to perform emergency call assistance services
Basic 9-1-1 (B9-1-1)
When an emergency calls need to be transferred to another PSAP, the telecommunicator will transfer the call without delay
Transfer Protocol
A person with hearing loss can speak directly to the call taker and read the response that is typed back.
Voice carryover (VCO)
This internet-based form of TRS allows persons whose primary language is American Sign Language to communicate with the CA in ASL using video conferencing equipment.
Video Relay Service (VRS)