International Telecommunication Union Plenary Session on ITU-T Standards 15th Biennial TDI...
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International Telecommunication Union Plenary Session on ITU-T Standards 15th Biennial TDI International Conference – Las Vegas, Nevada, USA Michael Day Product Manager BT TextDirect "Okay, but what does it mean to me?” - The evolution of textphone communications from a customer's perspective
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ITU-T July th Biennial TDI International Conference – Las Vegas, Nevada, USA Evolution of textphones in UK o Not one protocol V.23, V.21 and Baudot o Lack of a standard implementation o Across the Europe Union EDT, variations of V.21 and V.23 Different character sets
Transcript of International Telecommunication Union Plenary Session on ITU-T Standards 15th Biennial TDI...
International Telecommunication Union
Plenary Session on ITU-T Standards15th Biennial TDI International Conference –
Las Vegas, Nevada, USA
Michael DayProduct Manager BT TextDirect
"Okay, but what does it mean to me?”
- The evolution of textphone communications from a customer's perspective
214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Contents
o Evolution of Textphones in UKo BT TextDirecto Why change?o The future IP Textphoneo Gateways
314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Evolution of textphones in UK
o Not one protocol• V.23, V.21 and Baudot
o Lack of a standard implementationo Across the Europe Union
• EDT, variations of V.21 and V.23• Different character sets
414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
BT TextDirect
o How did we get to BT TextDirect?• RNID Typetalk• Regulation
o Network Promptso Improved relay accesso Removing the Crystal Ball
514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
BT TextDirect - Features
o Call set-up information in texto Ringing, Busy, NU tones in texto Access to relay at any timeo Improved compatibilityo Text Caller Returno Call anywhereo Text Rebateo Help desk
614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
BT TextDirect - How does it work?
o 18001 - Textphone Userso 18002 - Voice Userso 18000 - Textphone Emergencyo Relay Assisto International Access
714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
BT TextDirect - Demo
814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
BT TextDirect - Lessons learnt
o Music on holdo Answering machines ‘Beep’o Voice o Lack of standard implementation
914-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Why Change?
o Communication is two way• Duplex1 text and voice
o Mainstream products• No more adaptation - from day one
o “A textphone on every desk”o or “A textphone in every pocket”
1 Duplex means simultaneous communications in both directions
1014-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Solution
o Internet Protocolso Universal implementation
• Dial-up, Broadband, GMS, 3G, etc.o It can be done now
1114-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
The IP Textphone
o Multimedia terminalo Additional features
• Text displayed the way you want it• Simultaneous voice• Who’s there?• What’s happening?• Emotion
o Will the ‘textphone’ is exist?
1214-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
The IP Textphone
o Demoo Another method will produce more
communications problems - won’t it?
o The Textphone Gateway
1314-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Textphone Gateway
o Talk to the Gateway you talk to the World • Textphones don’t need to able to
talk to each othero Textphone + Textphone, Textphone
+ Voice, Textphone + PC, etc.o BT TextDirect
1414-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Advantages of Gateways
o Supports local protocolso Using IP over the network removes
the need for adapterso Contains the intelligence and
knowledge to handle calls
oLegacy textphones Legacy textphones are not excludedare not excluded
1514-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
More Choice
TextphoneVoice
PC
Mutli-media Payphone WAP
SMS
GPRS
PDA
3 G
Gateway
1614-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
Migration to IP
PSTN
o PSTN Textphone
1714-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
PSTN and IP Textphones
PSTN
Internet
o PSTN and IP Textphones• Never the twain shall meet
1814-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
The IP Aware Textphone
PSTN
Internet
o Connects to both PSTN and IP
1914-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
How to find someone
PSTN
Internet
Locator
o Automatic call set-up
2014-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
The Gateway
PSTN
Internet
Gateway
Locator
o Access by all
2114-16 July 2003 15th Biennial TDI International Conference – Las Vegas, Nevada, USA
ITU-T
What Next?
o Improved functionalityo Improved availabilityo Needs international agreement on
IP Textphone communications
International Telecommunication Union
Plenary Session on ITU-T Standards15th Biennial TDI International Conference –
Las Vegas, Nevada, USA
Thank youThank you
