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International Telecommunication Union
Plenary Session on ITU-T Standards15th Biennial TDI International Conference –
Las Vegas, Nevada, USA
V.18 The bridge between old and future
communication for deaf peopleProducts & Concepts
George SkorkowskiDSPG/Sensory Communication
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214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T •V.18 practical aspects & misconceptions
•Current developments in V.18 Recommendation
•Consumer products based on V.18 technology
•V.18 Mobile access
•Simultaneous Voice and Text products
•Service type products based on V.18 technology
Contents
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314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18 Practical aspects of the standard and general
misconceptions about it
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414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Why V.18 ?
International standard
- Accepted as a standard in all European countries, Australia & New Zealand
Bridge between old and new technologies
- Higher speed modems
- MultimediaInter-working
- Can inter-work with any existing text Telephone
- Future global integration with Internet & MultimediaEase of use
- More reliable call set-up
- User friendly operation
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514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T Compatibility Mode V.18 Mode
Used with existing Textphones Used between two V.18 Textphones
- V.21 (Sweden, UK)
- Baudot (45 and 50bps) (USA, UK, Ireland)
- EDT (Italy,Germany)
- Bell 103 (USA)
- V.23 (France)
- DTMF (Denmark, Sweden, Netherlands)
V.18 Modes
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614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T •CTM Mobile access for the textphones
•Simultaneous Text & Voice
Current development of V.18
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714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18 Conformance testing to the standard
Why it is important
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814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Why V.18 Conformance testing is Important
Specified in V.18 Recommendation Appendix 4 Ensures interworking between textphonesSmall volumes and lack of competition between textphone manufacturers means they are not subject to the same market forces to ensure interoperability.
Benefits the deaf and hard of hearingTo maximise the benefits of V.18, all features should be implemented - automoding, all compatibility modes, V.18 universal transfer mode, etc. Verification of various implementations ensures these benefits are gained.
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914-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Why V.18 Conformance testing is Important
Reduces complaints about textphones- Tighter control of textphone quality in the market ensures better reliability of textphone operation and reduces failure rate.
Benefits V.18 implementers - Allows verification of the implementation.
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1014-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-TV.18 conformance Tester
Applications:
Verification of proper implementation of V.18
according to the
Appendix 4 of V.18 ITU-T Recommendation
V.18 based Text Telephony Products
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1114-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Review of some of existing legacy text telephone products
used in Europe
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1214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T Type: DTS
Manufacturer: Ecotron (Italy)
View: Front
Existing Text Telephony Products
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1314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Existing Text Telephony Products
Type: Uniphone
Manufacturer: Ultratec (USA)
View: Front
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1414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T Type: Qwerty phone
Manufacturer: BT Merlin (UK)
Status: discontinued
Existing Text Telephony Products
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1514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Existing Text Telephony Products
Type: Minicom pro 400
Manufacturer: Ultratec (USA)
View: Front
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1614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18 Implementation of the standard
Products & Concepts
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1714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TextLink Mobile textphone
Microphone (optional)
Expansion Port (incl. Printer port)
GSM Mobile Port Ext Telephone
Line In
DC Power
Ultra bright LED
Speaker
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1814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TexLink Mobile main features
Two modes of operation- PSTN ( includes parallel phone support)- Mobile supports any type of GSM phone with
hands-free interface Incoming Call IndicatorTwo lines by 40 characters Text display Emergency Alarm Button (only in PSTN mode)Full implementation of V.18 protocol in PSTN Full implementation of CTM in Mobile mode Standard & Custom Automatic Greetings (Voice & text)CLI and Call Sign implementationFuture-proof, no proprietary chips (software driven)
- Remote Upgrade Via Telephone LineEasy maintenance
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1914-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Examples of TextLink Mobile use
Home stationary usewith optional telephone pedestal
Portable usewith “Filofax” type case & optional mobile phone
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2014-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
PC Link working environment
Features
Emulates Texlink keyboard display and function keys on any PC via Com-port interface
Allows touch typing in the office environment
Selection of fonts for vision impaired deaf persons
RRS232 cable
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2114-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
PC Link working environment
TexLink Function keys emulated on the screen
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2214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TextLink 800 portable V.18 Modem
Lighter for comparison only
Features
–Com-port connection to laptop/palm top PC.–Battery or mains operated.–Full implementation of V.18 & CTM Recommendations
–User friendly GUI, –Long battery (PP3) operation
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2314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18CTM Mobile Access
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2414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TextLink Mobile textphone
Microphone (optional)
Expansion Port (incl. Printer port)
GSM Mobile Port Ext Telephone
Line In
DC Power
Ultra bright LED
Speaker
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2514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Textlink 600
Q-90 textphoneAllows some selected textphones (only available in USA) to be connected to a mobile phone
TextLink 600 Mobile adapter
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2614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18Simultaneous Voice & Text
Relay Server
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2714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TextLink 9200 Simultaneous Voice & Data
Combines V.18 and Simultaneous Voice & Data
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2814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Textlink 9100 mobile applications
SMS messages
email messages
FAX
LAN
TexBox
Textlink userTextlink user
Other textphone user
Call centre operator
TexGate server
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2914-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
WirelessHome monitoring,
security & panic alarms
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3014-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Textlink 9100 home security centre
VibratingPad
PIRDetector
SmokeDetector
Panic Button Door Sensor
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3114-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
V.18 Implementation of standard
Commercially available Productsin Services aimed at deaf people
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3214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
What is TexBox?
TexBox is a text gateway which connects hard of hearing, deaf or speech impaired customers who use textphones, to almost anyone in the organisation or business via existing internal computer network (LAN or WAN), where the textphone call is routed via menu system to a relevant person’s PC.
Rack Based SystemTower Based System
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3314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TexBox Specification
PC platform running Linux (Unix).
Custom designed and built V.18 hardware text modems which connect to standard analogue telephone lines.
Connection to the local area network via 10/100 Base T Ethernet connection.
TexBox is a stand-alone solution with no need for integration with existing call centre equipment.
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3414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Advantages of TexBox
Elimination of textphones in the organisation.
User friendly.
No additional software to be installed on the users PC’s.
Internal text calls between deaf and hearing colleagues.
Stores personal or group messages from incoming calls.
Incoming call & text conversation transfers.
Low maintenance costs.
Simple training.
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3514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
TexBox Communicator
Status bars
User settings
User login/ logout
Call dialler
Message handling
Internal call/ Call transfer
Save conversation
Conversation window
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3614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T Applications:Email, Fax, SMS Banking, shopping etcInstant messaging
TexGate V.18/Mobile Server
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3714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Standard Telephone
Any Textphone
PC & V.18 Modem
V.18 Textphone
V.18 Gateway
InformationService
Internet MailService
InformationGateway
Text to/from VoiceService
Internet
V.18/CTM Global Integration
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3814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Thank You