Negotiating Human Language in Real-Time Communications
draft-gellens-slim-negotiating-human-language-00

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Replaces draft-gellens-mmusic-negotiating-human-language, draft-gellens-negotiating-human-language
Replaced by rfc8373, draft-ietf-slim-negotiating-human-language
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Network Working Group                                         R. Gellens
Internet-Draft                                Qualcomm Technologies Inc.
Intended status: Standards Track                        October 13, 2014
Expires: April 16, 2015

         Negotiating Human Language in Real-Time Communications
            draft-gellens-slim-negotiating-human-language-00

Abstract

   Users have various human (natural) language needs, abilities, and
   preferences regarding spoken, written, and signed languages.  When
   establishing interactive communication ("calls") there needs to be a
   way to negotiate (communicate and match) the caller's language and
   media needs with the capabilities of the called party.  This is
   especially important with emergency calls, where a call can be routed
   to a Public Safety Answering Point (PSAP) or call taker capable of
   communicating with the user, or a translator or relay operator can be
   bridged into the call during setup, but this applies to non-emergency
   calls as well (as an example, when calling a company call center).

   This document describes the need and expected use, and describes a
   solution using new SDP stream attributes.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on April 16, 2015.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Gellens                  Expires April 16, 2015                 [Page 1]
Internet-Draft         Negotiating Human Language           October 2014

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Expected Use  . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Example Use Cases . . . . . . . . . . . . . . . . . . . . . .   5
     4.1.  Emergency Call from English Speaker in Spain  . . . . . .   5
     4.2.  Emergency Call from Spanish/English Speaker in France . .   6
     4.3.  Call to Call Center from Russian Speaker in U.S.  . . . .   6
     4.4.  Emergency Call from speech-impaired caller in the U.S.  .   6
     4.5.  Emergency Call from deaf caller in the U.S. . . . . . . .   7
   5.  Desired Semantics . . . . . . . . . . . . . . . . . . . . . .   7
   6.  The existing 'lang' attribute . . . . . . . . . . . . . . . .   7
   7.  Proposed Solution . . . . . . . . . . . . . . . . . . . . . .   9
     7.1.  Rationale . . . . . . . . . . . . . . . . . . . . . . . .   9
     7.2.  New 'humintlang-send' and 'humintlang-recv' attributes  .   9
     7.3.  Advisory vs Required  . . . . . . . . . . . . . . . . . .  11
     7.4.  Silly States  . . . . . . . . . . . . . . . . . . . . . .  11
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   10. Changes from Previous Versions  . . . . . . . . . . . . . . .  12
     10.1.  Changes from draft-gellens-...-00 to -01 . . . . . . . .  12
     10.2.  Changes from draft-gellens-...-01 to -02 . . . . . . . .  13
     10.3.  Changes from draft-gellens-...-02 to draft-gellens-
            mmusic-...-00  . . . . . . . . . . . . . . . . . . . . .  13
     10.4.  Changes from draft-gellens-mmusic-...-00 to -01  . . . .  14
     10.5.  Changes from draft-gellens-mmusic-...-01 to -02  . . . .  14
     10.6.  Changes from draft-gellens-mmusic-...-02 to draft-
            gellens-slim-...-00  . . . . . . . . . . . . . . . . . .  14
   11. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  15
   12. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  15
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  15
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