This Recommendation specifies features to be incorporated in DCEs intended for use in, or communicating with, text telephones primarily used by the deaf and hard of hearing. One of the goals of this Recommendation is to provide a platform on which a universal text telephone can be built. To accommodate this goal, procedures for interworking with identified existing text telephones are provided in clause 5. In addition, this Recommendation has the goal of identifying ways in which the multimedia Recommendations could be used to support new modes of operation or create new multi-mode text telephone devices. To accommodate this additional goal, clause 6 identifies some possible uses of this technology to support text telephony and additionally specifies requirements for multi-mode text telephone devices.
ITU-T V.18 SPANISH-2000 Referenced Document
ISO/IEC 646:1991 Information technology; ISO 7-bit coded character set for information interchange
ITU-T H.324-1998 Terminal for Low Bit-Rate Multimedia Communication - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services (Study Group 16; 59 pp)
ITU-T Q.23-1988 TECHNICAL FEATURES OF PUSH-BUTTON TELEPHONE SETS
ITU-T T.140-1998 Protocol for Multimedia Application Text Conversation - Series T: Terminals for Telematic Services Study Group 16; 16 pp
ITU-T T.50-1992 International Reference Alphabet (IRA) (Formerly International Alphabet No. 5 or IA5) Information Technology - 7-Bit Coded Character Set for Information Interchange (Study Group VIII) 22 pp
ITU-T V.21-1988 300 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.23-1988 600/1200-BAUD MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK
ITU-T V.25-1996 Automatic Answering Equipment and General Procedures for Automatic Calling Equipment on the General Switched Telephone Network Including Procedures for Disabling of Echo Control Devices for Both Manually and Automatically Established Calls - Series V: Dat
ITU-T V.250-1999 Serial Asynchronous Automatic Dialling and Control - Series V: Data Communication over the Telephone Network - Control Procedures (Study Group 16; 97 pp)
ITU-T V.61-1996 Simultaneous Voice Plus Data Modem Operating at a Voice Plus Data Signalling Rate of 4800 Bit/s with Optional Automatic Switching to Data-Only Signalling Rates of up to 14 400 Bit/s for Use on the General Switched Telephone Network and on Leased Point-to-
ITU-T V.70-1996 Procedures for the Simultaneous Transmission of Data and Digitally Encoded Voice Signals over the GSTN or over 2-Wire Leased Point-to-Point Telephone Type Circuits - Series V: Data Communication over the Telephone Network Transmission Quality and Maintena
ITU-T V.8-2000 Procedures for Starting Sessions of Data Transmission over the Public Switched Telephone Network - Series V: Data Communication over the Telephone Network - General Study Group 16
ITU-T V.18 SPANISH-2000 history
2000ITU-T V.18 SPANISH-2000 Operational and interworking requirements for DCEs operating in the text telephone mode