Additional Data related to an Emergency Call
draft-ietf-ecrit-additional-data-08

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Document Type Active Internet-Draft (ecrit WG)
Last updated 2013-05-05
Replaces draft-rosen-ecrit-additional-data
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ECRIT                                                         B.R. Rosen
Internet-Draft                                                   NeuStar
Intended status: Standards Track                           H. Tschofenig
Expires: November 06, 2013                        Nokia Siemens Networks
                                                             R. Marshall
                                         TeleCommunication Systems, Inc.
                                                              R. Gellens
                                             Qualcomm Technologies, Inc.
                                                            May 05, 2013

              Additional Data related to an Emergency Call
                draft-ietf-ecrit-additional-data-08.txt

Abstract

   When an emergency call is sent to a Public Safety Answering Point
   (PSAP), the device that sends it, as well as any application service
   provider in the path of the call, or access network provider through
   which the call originated may have information about the call or the
   caller which the PSAP may be able to use.  This document describes
   data structures to convey such data to the PSAP.  In addition, data
   may also be included by reference, via a Uniform Resource Identifier
   (URI) pointing to data found at an external resource.  Consequently,
   this document follows the tradition of prior emergency services
   standardization work where data can be conveyed by value within the
   call signaling (i.e., in body of the SIP message) and also by
   reference.

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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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on November 06, 2013.

Copyright Notice

Rosen, et al.          Expires November 06, 2013                [Page 1]
Internet-Draft            Additional Call Data                  May 2013

   Copyright (c) 2013 IETF Trust and the persons identified as the
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  Data Structure Overview . . . . . . . . . . . . . . . . . . .   6
   4.  Transmitting Blocks of Additional Data  . . . . . . . . . . .   7
     4.1.  Transmitting blocks using Call-Info . . . . . . . . . . .   8
     4.2.  Transmitting blocks by reference using Provided-By  . . .   9
     4.3.  Transmitting blocks by value using Provided-By  . . . . .   9
   5.  Data Provider Information . . . . . . . . . . . . . . . . . .  10
     5.1.  Data Provider String  . . . . . . . . . . . . . . . . . .  10
     5.2.  Data Provider ID  . . . . . . . . . . . . . . . . . . . .  11
     5.3.  Data Provider ID Series . . . . . . . . . . . . . . . . .  11
     5.4.  Type of Data Provider . . . . . . . . . . . . . . . . . .  12
     5.5.  Data Provider Contact URI . . . . . . . . . . . . . . . .  13
     5.6.  Data Provider Languages(s) Supported  . . . . . . . . . .  13
     5.7.  xCard of Data Provider  . . . . . . . . . . . . . . . . .  14
     5.8.  Subcontractor Principal . . . . . . . . . . . . . . . . .  15
     5.9.  Subcontractor Priority  . . . . . . . . . . . . . . . . .  15
     5.10. emergencyCall.ProviderInfo XML Schema . . . . . . . . . .  16
     5.11. emergencyCall.ProviderInfo Example  . . . . . . . . . . .  17
   6.  Service Information . . . . . . . . . . . . . . . . . . . . .  19
     6.1.  Service Environment . . . . . . . . . . . . . . . . . . .  19
     6.2.  Service Delivered by Provider to End User . . . . . . . .  20
     6.3.  Service Mobility Environment  . . . . . . . . . . . . . .  21
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