Feb 28, 2020 · The only way for PSAPs to properly identify all TTY calls is for call takers to recognize TTY tones and to query every silent, open line call with a TTY to determine if it is a TTY call after it has been queried by voice.

Dec 11, 2002 · Wireless Telecommunications Bureau Seeks Comment on Request for Temporary Waiver of Deadline by Which Digital Wireless Systems Must be Capable of Transmitting 911 Calls From TTY Devices. (DA No. 02-916).

In this chapter you will learn the basics about what the ADA requires for 9-1-1 and other emergency communications services operated by or for state or local governments. It answers questions including: What types of emergency communications services are covered? How does a TTY work? What are voice carryover and hearing carryover?

TTY-based Telecommunications Relay Services permit persons with a hearing or speech disability to use the telephone system via a text telephone (TTY) or other device to call persons with or without such disabilities. To make using TRS as simple as possible, you can dial 711 to be automatically connected to a TRS communications assistant.

This NENA TID defines three distinct alternative trunking configurations to accomplish the provisioning of Private Switch 9-1-1 Service (PS/911) in conjunction with the use of Private Branch Exchange (PBX) telephone systems.

The fastest and most reliable way to contact emergency services is by dialing 911 through a telephone or TTY hooked up to a regular telephone line; not through a computer, not through the Internet, not through a PDA, not through a videophone, and not through a relay service.

State and local agencies that provide emergency telephone services must provide "direct access" to individuals who rely on a teletypewriter (TTY, also known as a telecommunication device for deaf persons or TDD) or computer modem for telephone communication.

T-Mobile complies with all Federal Communications Commission (FCC) emergency call handling requirements to process 911 calls for IP Relay, TTY, State CapTel and Speech to Speech.

TTY users must have access to 911 or a seven or ten-digit emergency service number. A TTY is a device used with a telephone to communicate with a person who is Deaf or hard of hearing, as it turns telephone tones into letters on a display screen.

The only way for PSAPs to properly identify all TTY calls is for call takers to recognize TTY tones and to query every silent, open line call with a TTY to determine if it is a TTY call after it has been queried by voice.