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TIA/EIA/IS 840 : A2001

TIA/EIA/IS 840 : A2001

Current

Current

The latest, up-to-date edition.

MINIMUM PERFORMANCE STANDARDS FOR TEXT TELEPHONE SIGNAL DETECTOR AND TEXT TELEPHONE SIGNAL REGENERATOR

Published date

12-01-2013

Publisher

Telecommunications Industry Association

Describes text telephones as they enable persons with hearing issues to communicate over conventional telephone lines, using written text messages. There are two types of text telephones: TTY (TeleTYpe) and TDD (Telecommunications Devices for the Deaf). TTYs are basically mechanical teleprinters and TDDs are their electronic counterparts.

Committee
TR-45.3
DevelopmentNote
To be used in conjunction with TIA/EIA/IS 823. (10/2004) Not available separately, available in CD-ROM format with TIA/EIA/IS 823. (12/2006)
DocumentType
Standard
PublisherName
Telecommunications Industry Association
Status
Current

TS 126 231 : 13.0.0 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); CELLULAR TEXT TELEPHONE MODEM; MINIMUM PERFORMANCE REQUIREMENTS (3GPP TS 26.231 VERSION 14.0.0 RELEASE 14)

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