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vCard Format Specification
RFC 6350

Internet Engineering Task Force (IETF)                      S. Perreault
Request for Comments: 6350                                      Viagenie
Obsoletes: 2425, 2426, 4770                                  August 2011
Updates: 2739
Category: Standards Track
ISSN: 2070-1721

                       vCard Format Specification

Abstract

   This document defines the vCard data format for representing and
   exchanging a variety of information about individuals and other
   entities (e.g., formatted and structured name and delivery addresses,
   email address, multiple telephone numbers, photograph, logo, audio
   clips, etc.).  This document obsoletes RFCs 2425, 2426, and 4770, and
   updates RFC 2739.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6350.

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Perreault                    Standards Track                    [Page 1]
RFC 6350                          vCard                      August 2011

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  5
   2.  Conventions  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  vCard Format Specification . . . . . . . . . . . . . . . . . .  5
     3.1.  Charset  . . . . . . . . . . . . . . . . . . . . . . . . .  5
     3.2.  Line Delimiting and Folding  . . . . . . . . . . . . . . .  5
     3.3.  ABNF Format Definition . . . . . . . . . . . . . . . . . .  6
     3.4.  Property Value Escaping  . . . . . . . . . . . . . . . . .  9
   4.  Property Value Data Types  . . . . . . . . . . . . . . . . . .  9
     4.1.  TEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
     4.2.  URI  . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
     4.3.  DATE, TIME, DATE-TIME, DATE-AND-OR-TIME, and TIMESTAMP . . 12
       4.3.1.  DATE . . . . . . . . . . . . . . . . . . . . . . . . . 12
       4.3.2.  TIME . . . . . . . . . . . . . . . . . . . . . . . . . 13
       4.3.3.  DATE-TIME  . . . . . . . . . . . . . . . . . . . . . . 13
       4.3.4.  DATE-AND-OR-TIME . . . . . . . . . . . . . . . . . . . 14
       4.3.5.  TIMESTAMP  . . . . . . . . . . . . . . . . . . . . . . 14
     4.4.  BOOLEAN  . . . . . . . . . . . . . . . . . . . . . . . . . 14
     4.5.  INTEGER  . . . . . . . . . . . . . . . . . . . . . . . . . 15
     4.6.  FLOAT  . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     4.7.  UTC-OFFSET . . . . . . . . . . . . . . . . . . . . . . . . 15
     4.8.  LANGUAGE-TAG . . . . . . . . . . . . . . . . . . . . . . . 16
   5.  Property Parameters  . . . . . . . . . . . . . . . . . . . . . 16
     5.1.  LANGUAGE . . . . . . . . . . . . . . . . . . . . . . . . . 16
     5.2.  VALUE  . . . . . . . . . . . . . . . . . . . . . . . . . . 16
     5.3.  PREF . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
     5.4.  ALTID  . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     5.5.  PID  . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
     5.6.  TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

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