Thread Subject: Re: Subpart ADefinitions-TTY-Action Needed
Note
This archival content is maintained by WebAIM and NCDAE on behalf of TEITAC and the U.S. Access Board . Additional details on the updates to section 508 and section 255 can be found at the Access Board web site.
From: Gregg Vanderheiden
Date: Tue, May 01 2007 5:35 PM
- Return to this mailing list's archives
- View all messages in this thread
- Next message in thread: Jessica M. Brodey: "Re: Subpart ADefinitions-TTY-Action Needed"
- Previous message in thread: Diane Golden: "Re: Subpart ADefinitions-TTY-Action Needed"
- Messages sorted by: Author | Thread | Date
I think we need to separate TTY (which was defined for PSTN) with general
real-time text communication.
Suggest
TTY Machinery or equipment that employs interactive text based
communications through the transmission of coded signals across the public
switched telephone network in compliance with TIA-825-A, A Frequency Shift
Keyed Modem For Use On The Public Switched Telephone Network;
Real-time text. Text which is transmitted within 1 second of entry
providing a smooth flow of conversational text that can be mixed with
speech.
(TIA-1001 is a standard for intra-trunk communication which is a carrier
only concern. The US government wouldn't be operating telephone trunks. )
Gregg
-- ------------------------------
Gregg C Vanderheiden Ph.D.
_____
From: = EMAIL ADDRESS REMOVED =
[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Schomburg,
Paul
Sent: Tuesday, May 01, 2007 8:11 AM
To: TEITAC Subpart A Subcommittee; = EMAIL ADDRESS REMOVED =
Cc: Schomburg, Paul
Subject: Re: [teitac-subparta] Subpart A Definitions-TTY-Action Needed
Folks: This may be too broad a definition and might include non-standard
proprietary coding or really any text messaging (IM) service one could
imagine. I think it should be more narrowly defined as follows:
An abbreviation for teletypewriter. Machinery or equipment that employs
interactive text based communications through the transmission of coded
signals across the public switched telephone network in compliance with
TIA-825-A, A Frequency Shift Keyed Modem For Use On The Public Switched
Telephone Network; or across an IP network in compliance with TIA-1001,
Transport of TIA-825-A Signals over IP Networks.
Thanks, Paul
- Next message in Thread: Jessica M. Brodey: "Re: Subpart ADefinitions-TTY-Action Needed"
- Previous message in Thread: Diane Golden: "Re: Subpart ADefinitions-TTY-Action Needed"
WebAIM is an initiative of:
