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T.140 Real-time Text Conversation over WebRTC Data Channels

Document Type Replaced Internet-Draft (mmusic WG)
Author Christer Holmberg
Last updated 2019-09-04 (Latest revision 2019-09-03)
Replaced by RFC 8865
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
Stream WG state Adopted by a WG
Document shepherd (None)
IESG IESG state Replaced by draft-ietf-mmusic-t140-usage-data-channel
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document specifies how a WebRTC data channel can be used as a transport mechanism for Real-time text using the ITU-T Protocol for multimedia application text conversation (Recommendation ITU-T T.140), and how the SDP offer/answer mechanism can be used to negotiate such data channel, referred to as T.140 data channel.


Christer Holmberg

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)