vCard
The Electronic Business Card
Version 2.1
A versit Consortium Specification
September 18, 1996
Copyrights
? 1996, International Business Machines Corp., Lucent Technologies,
Inc., and Siemens. All rights reserved.
Permission is granted to copy and distribute this publication provided
that it is reproduced in its entirety without modification and
includes the above copyright notice and this permission notice.
No licenses, express or implied, are granted with respect to any of
the technology described in this publication. International Business
Machines Corp., Lucent Technologies, Inc., and Siemens retain all
their intellectual property rights in the technology described in this
publication.
Even though International Business Machines Corp., Lucent
Technologies, Inc., and Siemens have reviewed this specification,
INTERNATIONAL BUSINESS MACHINES CORP., LUCENT TECHNOLOGIES, INC, AND
SIEMENS, MAKE NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR
IMPLIED, WITH RESPECT TO THIS PUBLICATION, ITS QUALITY OR ACCURACY,
NONINFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
AS A RESULT, THIS SPECIFICATION IS DELIVERED "AS IS" AND THE READER
ASSUMES THE ENTIRE RISK AS TO ITS QUALITY, ACCURACY OR SUITABILITY FOR
ANY PARTICULAR PURPOSE..
IN NO EVENT WILL INTERNATIONAL BUSINESS MACHINES CORP., LUCENT
TECHNOLOGIES, INC, AND SIEMENS, BE LIABLE FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY
DEFECT OR INACCURACY IN THIS PUBLICATION, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
This publication is provided with RESTRICTED RIGHTS. Use, duplication,
or disclosure by the Government are subject to restrictions set forth
in DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.
Trademarks
versit, the versit logo, versitcard, vCard, and vCalendar are
trademarks of Apple Computer, Inc., AT&T Corp., International Business
Machines Corp., and Siemens.
Apple, is a trademarks of Apple Computer, Inc. registered in the U.S.
and other countries.
AT&T and ATTMail are registered trademarks of AT&T Corp.
IBM, IBM Mail, and OS/2 are registered trademarks of International
Business Machines Corporation.
America Online is a registered trademark of America Online, Inc.
CompuServe, CompuServe Information Services are registered trademarks
of Compuserve Incorporated.
MCIMail is a registered trademark of MCI Communications Corporation.
Microsoft is a registered trademark, and Microsoft Windows is a
trademark of Microsoft Corporation.
Prodigy is a registered trademark of Prodigy Services Company.
Unicode is a registered trademark of Unicode, Inc.
Contributors
Roland Alden
Greg Ames, Ames & Associates
Masanari Arai, Puma Technologies
Stephen W. Bartlett
Donal Carroll
Liang-Jye Chang, Starfish Software
Frank Dawson, IBM Corporation
Ken Dobson, IntelliLink Inc.
Scott Feldstein, Nimble Software, Inc.
Anik Ganguly, OnTime/Division of FTP Software.
Beijing Goo, Microsoft
Arvind K. Goyal, Lotus Development Corporation
Gary Hand, IBM Corporation
Tim Howes, Netscape Communications Corporation
Mark Joseph, Attachmate Corporation
Kerry Kelly, Now Software, Inc.
Phac Letuan, Apple Computer, Inc.
Pat Megowan, Counterpoint Sytems Foundry Inc.
Tohri Mori, IBM Japan/Salutation Consortium
Ravi Pandya, NetManage, Inc.
Geoff Ralston, Four11 Corporation
Steven Rummel, Lucent Technologies
Michael Santullo, Four11 Corporation
Vinod Seraphin, Lotus Development Corporation
Dexter Seely, Corex Technologies, Inc.
Vlad Shmunis, Ring Zero Systems Inc.
Dean Stevens, Now Software, Inc.
Michelle Watkins, Netscape Communications Corporation
Horst Widlewski, Siemens
Reference Information
The cited references contain provisions which, through reference in
this specification, constitute provisions of this specification. At
the time of publication, the indicated versions in the following
references were valid. Parties to agreements based on this
specification are encouraged to research the possibility of revised
standards.
* ANSI X3.4-1977, Code for Information Interchange, American
National Standards Institute, 1977.
* CCITT (ITU) Recommendation E.163, Numbering Plan for The
International Telephone Service, CCITT Blue Book, Fascicle II.2, pp.
128-134, November, 1988.
* CCITT (ITU) Recommendation G.721, 32 kbit/s Adaptive Differential
Pulse Code Modulation (ADPCM), CCITT Red Book, Fascicle III.4,
November, 1988.
* CCITT (ITU) Recommendation X.121, International Numbering Plan
for Public Data Networks, CCITT Blue Book, Fascicle VIII.3, pp. 317-
332, November, 1988.
* CCITT (ITU) Recommendations X.500-X.521, Data Communication
Networks: Directory, CCITT Blue Book, Fascicle VIII.8, November, 1988.
* CCITT Recommendation X.520, The Directory-Selected Attribute
Types, 1988.
* CCITT Recommendation X.521, The Directory-Selected Object
Classes, 1988.
* IETF RFC 1738, Universal Resource Locator, December 1994.
* IETF Network Working Group RFC 1766, Tags for the Identification
of Languages, March 1995.
* IETF Network Working Group Draft, A MIME Content-Type for
Directory Information, January 1996. Available from the University of
Michigan, 535 W. William St., Ann Arbor, MI 48103-4943,
FTP://ds.internic.net/Internet-Drafts/draft-ietf-asid-mime-direct-
01.txt.
* IETF Network Working Group Draft, An Application/Directory MIME
Content-Type Electronic Business Card Profile, May 1996. Available
FTP://ds.internic.net/Internet-Drafts/draft-ietf-asid-mime-vcard-
00.txt.
* IETF Network Working Group Draft, UTF-8, A Transformation Format
of UNICODE and ISO 10646, July 1996. Available from
FTP://ds.internic.net/Internet-Drafts/draft-yergeau-utf8-01.txt.
* ISO 639, Code for The Representation of names of languages,
International Organization for Standardization, April, 1988.
* ISO 3166, Codes for The Representation of names of countries,
International Organization for Standardization, December, 1993.
* ISO 8601, Data elements and interchange formats-Information
interchange-Representation of dates and times, International
Organization for Standardization, June, 1988.
* ISO 8601, Technical Corrigendum 1, Data elements and interchange
formats-Information interchange-Representation of dates and times,
International Organization for Standardization, May, 1991.
* ISO 8859-1, Information Processing-8-Bit single-byte coded
graphic character sets-Part 1: Latin Alphabet No. 1, International
Organization for Standardization, February, 1987.
* ISO 9070, Information Processing-SGML support facilities-
Registration Procedures for Public Text Owner Identifiers, 1990-02-
01.[DS1]
? ISO/IEC 9070, Information Technology?SGML Support
Facilities?Registration Procedures for Public Text Owner Identifiers,
Second Edition, International Organization for Standardization, April,
1991.
? ISO/IEC 11180, Postal addressing, International Organization for
Standardization, 1993.
? Apple?s Representation of a Canonical Static DeviceID in The
Telephony Suite, version 1.0, Apple Computer, Inc., 1993.
* Microsoft TAPI in Microsoft Windows 3.1 Telephony Programmers'
Guide, version 1.0, Microsoft Corporation, 1993.
* RFC1521, MIME (Multipurpose Internet Mail Extensions) Part One:
Mechanisms for Specifying and Describing the Format of Internet
Message Bodies, Network Working Group, September, 1993.
* The Unicode Standard, Version 1.1: Version 1.0, Volume 1 (ISBN 0-
201-56788-1), version 1.0, volume 2 (ISBN 0-20-60845-6) and Unicode
Technical Report #4, The Unicode Standard, version 1.1, The Unicode
Consortium, October, 1991. Both references to be published by Addison-
Wesley.
versit Update
versit is a multivendor development initiative of the communication
and computer industries, founded by Apple, AT&T, IBM and Siemens. The
versit parties believe that great potential exists in improving the
nature of communications in the business world-permitting companies to
better manage their quality, productivity, customer satisfaction and
cost of operations, while expanding the market opportunities for a
variety of product and service vendors. versit parties will jointly
define and support open specifications that facilitate and promote the
interoperability of advanced personal information and communication
devices, networks and services.
The versit vision is to enable diverse communication and computing
devices, applications and services from competing vendors to
interoperate in all environments. Through developing a series of
specifications for interoperability among diverse communications and
computing devices, applications, networks and services, versit 's
vision will become a reality.
versit 's primary development areas are in:
* Personal Data Interchange (PDI)
* Computer Telephone Integration (CTI)
* Conferencing and Messaging (C&M)
* Wired and Wireless connectivity
versit specifications are directed at both the decision makers and the
implementation teams of:
* Equipment Manufacturers
* Independent Software Vendors
* Information Service Providers
* Online Service Providers
* Software Houses
* Users
versit specifications are made available to any interested party. In
turn, versit encourages the support of our goals by soliciting
feedback on versit specifications.
All comments relating to versit or the material within this
specification should be submitted to:
versit
(800) 803-6240
+1 (201) 327-2803 (Outside USA)
pdi@versit.com
http://www.versit.com/pdi
Contents
Section 1 : Introduction
1.1 Overview
1.2 Scope
1.3 Contents
1.4 Definitions and Abbreviations
Section 2 : vCard Specificiation
2.1 Encoding Characteristics
2.1.1 vCard Object
2.1.2 Property
2.1.3 Delimiters
2.1.4 Grouping
2.1.4.1 vCard Grouping
2.1.4.2 Property Grouping
2.1.5 Encodings
2.1.6 Character Set
2.1.7 Language
2.1.8 Value Location
2.1.9 Binary Values
2.2 Identification Properties
2.2.1 Formatted Name
2.2.2 Name
2.2.3 Photograph
2.2.3.1 Photo Format Type
2.2.4 Birthdate
2.3 Delivery Addressing Properties
2.3.1 Delivery Address
2.3.1.1 Delivery Address Type
2.3.2 Delivery Label
2.3.2.1 Delivery Label Type
2.4 Telecommunications Addressing Properties
2.4.1 Telephone Number
2.4.1.1 Telephone Type
2.4.2 Electronic Mail
2.4.2.1 Electronic Mail Type
2.4.3 Mailer
2.4.4 Geographical Properties
2.4.5 Time Zone
2.4.6 Geographic Position
2.5 Organizational Properties
2.5.1 Title
2.5.2 Business Category
2.5.3 Logo
2.5.3.1 Logo Format Type
2.5.4 Agent
2.5.5 Organization Name and Organizational Unit
2.6 Explanatory Properties
2.6.1 Comment
2.6.2 Last Revision
2.6.3 Sound
2.6.3.1 Sound Digital Audio Type
2.6.4 Uniform Resource Locator
2.6.5 Unique Identifier
2.6.6 Version
2.7 Security Properties
2.7.1 Public Key
2.7.2 Key Type
2.8 Miscellaneous Properties
2.8.1 Extensions
2.9 Formal Definition
Section 3 : Internet Recommendations
3.1 Recommended Practice with SMTP/MIME
3.1.1 Text/Plain Content Type
3.1.2 Text/X-vCard Content Type
3.1.3 Application/Directory Content Type
3.2 Recommended Practice with HTTP/HTML
3.2.1 Form Element Usage
3.2.2 Mapping To INPUT Element Attribute Names
3.2.3 Example HTML Code
Section 4 : UI Support Recommendations
4.1 File System
4.2 Clipboard
4.3 Drag/Drop
Section 5 : Conformance
Section 1 : Introduction
[DS2]
Personal Data Interchange (PDI) occurs every time two or more
individuals communicate, in either a business or personal context,
face-to-face, or across space and time. Such interchanges frequently
include the exchange of informal information, such as business cards,
telephone numbers, addresses, dates and times of appointments, etc.
Augmenting PDI with electronics and telecommunications can help ensure
that information is quickly and reliably communicated, stored,
organized and easily located when needed.
Personal information, by nature, is complex and diverse. Currently,
proprietary standards exist to structure some types of PDI
information, but no single, open specification comprehensively
addresses the needs of collecting and communicating PDI information
across many common communication channels such as telephones, voice-
mail, e-mail, and face-to-face meetings. versit is developing a
comprehensive family of PDI technologies based on open specifications
and interoperability agreements to help meet this technology need.
Overview
This specification defines a format for an electronic business card,
or vCard. The format is suitable as an interchange format between
applications or systems. The format is defined independent of the
particular method used to transport it. The transport for this
exchange might be a file system, point-to-point asynchronous
communication, wired-network transport, or some form of unwired
transport.
A vCard is a data stream consisting of one or more vCard objects. The
individual vCard definitions can be identified and parsed within the
datastream. The vCard data stream may exist as a persistent form in a
file system, document management system, network connection between
two network endpoints, or in any other digital transport that has an
abstraction of a stream of bytes.
Conceptually, a vCard Writer creates vCard data streams and a vCard
Reader interprets vCard data streams. The vCard Reader and Writer may
be implemented as a single application or as separate applications. It
is not the intent of this specification to define the implementation
of these processes beyond some fundamental capabilities related to the
format of the vCard data stream and a common set of conformance
requirements .
This specification provides for a clear-text encoding that is intended
to be based on the syntax used by the MIME specification (RFC 1521).
The encoding of this specification can be used in environments which
are constrained to 7-bit transfer encodings, short line lengths, and
low bandwidth. In addition, the encoding is simple in order to
facilitate the implementation of reader and writer applications on
small platforms, such as Personal Digital Assistants (PDA), cellular
telephones, or alphanumeric pagers.
Scope
The vCard is intended to be used for exchanging information about
people and resources. In today's business environment, this
information is typically exchanged on business cards. It is
appropriate, then that this specification define this information in
terms of a paradigm based on an electronic business card object.
The ultimate destination for this information is often a collection of
business cards, Rolodex® file, or electronic contact manager. Prior to
the introduction of the vCard specification, users of such
applications typically had to re-key the original information, often
transcribing it from paper business cards. With the advent of the
vCard specification, this information can be exchanged in an automated
fashion.
The basis for the data types supported by this specification have
their origin in openly defined, international standards and in
additional capabilities based on enhancements suggested by the
demonstration of the exchange of prototypical vCards using the
Internet based World-Wide-Web, Infra-red data transport, and
simultaneous voice and data (SVD) modems.
The "person" object defined by the CCITT X.500 Series Recommendation
for Directory Services was the primary reference for the properties
that are defined by this specification. Every attempt was made to make
it possible to map the X.520/X.521 attributes and objects into and out
of an instance of a vCard. The vCard specification has extended the
capabilities that have been defined within the CCITT X.500 Series
Recommendation to allow the exchange of additional information often
recorded on business cards and electronic contact managers. For
example, this specification provides support for exchanging graphic
images representing company logos, photographs of individuals, geo-
positioning information, and other extensions to properties defined by
the X.500 Recommendation.
The specification of all date and time values are defined in terms of
the ISO 8601 standard for representation of dates and times. ISO 8601
supersedes all other international standards defined at the time this
specification was drafted.
The paradigm of an electronic business card is related to the concepts
of an entry in a LAN/WAN directory or an electronic mail address book
or distribution list. However, the requirements of the electronic
business card go beyond the definitions of a "person" object found in
either the CCITT X.500 Series Recommendation, network directory
services, or electronic mail address book products. The vCard
specification is needed to address the requirements for an interchange
format for the "person" personal data type or object.
Personal data applications such as Personal Information Managers (PIM)
often provide an import/export capability using Comma Separated Value
(CSV) or Tab Delimited Files (TDF) formats. However, these solutions
do not preserve the intent of the originating application. When a CSV
and TDF format is used by a PIM, the meta-data or semantics of the
originating object are only apparent to a similar version of the
originating application. Exchange of data between such applications is
another important application of an industry-standard specification
for an electronic business card interchange format, such as the vCard
specification.
Contents
This specification is separated into eight sections:
* "Section 1 : Introduction" introduces PDI and the vCard
specification with an overview, scope statement and section on
definitions and abbreviations.
* "Section 2 : vCard Specification" defines the semantics and
syntax for the vCard.
* "Section 3 : Internet Recommendations" specifies a set of
guidelines to facilitate the exchange of vCard objects over Internet
protocols such as HTTP using HTML and SMTP using MIME.
* "Section 4 : UI Support Recommendations" specifies a set of
guidelines to facilitate the exchange of vCard objects at the desktop
user interface using the file system, clipboard and drag/drop
capabilities of the operating system.
* "Section 5 : Conformance" defines minimum conformance
requirements to consider while developing support for this vCard
specification.
Definitions and Abbreviations
Definitions and abbreviations used within this specification follow.
Electronic Business Card: Also known as vCard.
FPI: Formal Public Identifier. A string expression that represents a
public identifier for an object. FPI syntax is defined by ISO 9070.
GUID: Globally Unique IDentifier
Internet: A WAN connecting thousands of disparate networks in
industry, education, government, and research. The Internet uses
TCP/IP as the standard for transmitting information.
ISO: Organization for International Standardization; a worldwide
federation of national standards bodies (ISO Member bodies).
MIME: Multipurpose Internet Mail Extensions, as defined in RFC1521.
PDA: Personal Digital Assistant computing device
PDI: Personal Data Interchange, a collaborative application area which
involves the communication of data between people who have a business
or personal relationship, but do not necessarily share a common
computing infrastructure.
PIM: Personal Information Manager
RFC#### documents: Internet "Request For Comment" documents (i.e.,
RFC822, RFC1521, etc.).
URL: Uniform Resource Locator; a string expression that can represent
any resource on the Internet or local system. RFC 1738 defines the
syntax for an URL.
UTC: Universal Time Coordinated; also known as UCT, for Universal
Coordinated Time.
vCard: The generic term for an electronic, virtual information card
that can be transferred between computers, PDAs, or other electronic
devices through telephone lines, or e-mail networks, or infrared
links. How, when, why, and where vCard are used depends on the
applications developed utilizing a vCard.
versitcard: a vCard.
WAN: Wide-Area Network
Section 2 : vCard Specificiation
[DS3]
This section defines the semantics and syntax for the vCard.
A vCard is a collection of one or more properties. A property is a
uniquely named value. A set of properties can be grouped within a
vCard. For example, the properties for a telephone number and comment
can be grouped in order to preserve the coupling of the annotation
with the telephone number. In addition to property groupings, a vC.
versit is developing a comprehensive family of PDI technologies based
on open specifications and interoperability agreements to help meet
this technology need.
Overview
This specification defines a format for an electronic business card,
or vCard. The format is suitable as an interchange format between
applications or systems. The format is defined independent of the
particular method used to transport it. The transport for this
exchange might be a file system, point-to-point asynchronous
communication, wired-network transport, or some form of unwired
transport.
A vCard is a data stream consisting of one or more vCard objects. The
individual vCard definitions can be identified and parsed within the
datastream. The vCard data stream may exist as a persistent form in a
file system, document management system, network connection between
two network endpoints, or in any other digital transport that has an
abstraction of a stream of bytes.
Conceptually, a vCard Writer creates vCard data streams and a vCard
Reader interprets vCard data streams. The vCard Reader and Writer may
be implemented as a single application or as separate applications. It
is not the intent of this specification to define the implementation
of these processes beyond some fundamental capabilities related to the
format of the vCard data stream and a common set of conformance
requirements .
This specification provides for a clear-text encoding that is intended
to be based on the syntax used by the MIME specification (RFC 1521).
The encoding of this specification can be used in environments which
are constrained to 7-bit transfer encodings, short line lengths, and
low bandwidth. In addition, the encoding is simple in order to
facilitate the implementation of reader and writer applications on
small platforms, such as Personal Digital Assistants (PDA), cellular
telephones, or alphanumeric pagers.
Scope
The vCard is intended to be used for exchanging information about
people and resources. In today's business environment, this
information is typically exchanged on business cards. It is
appropriate, then that this specification define this information in
terms of a paradigm based on an electronic business card object.
The ultimate destination for this information is often a collection of
business cards, Rolodex® file, or electronic contact manager. Prior to
the introduction of the vCard specification, users of such
applications typically had to re-key the original information, often
transcribing it from paper business cards. With the advent of the
vCard specification, this information can be exchanged in an automated
fashion.
The basis for the data types supported by this specification have
their origin in openly defined, international standards and in
additional capabilities based on enhancements suggested by the
demonstration of the exchange of prototypical vCards using the
Internet based World-Wide-Web, Infra-red data transport, and
simultaneous voice and data (SVD) modems.
The "person" object defined by the CCITT X.500 Series Recommendation
for Directory Services was the primary reference for the properties
that are defined by this specification. Every attempt was made to make
it possible to map the X.520/X.521 attributes and objects into and out
of an instance of a vCard. The vCard specification has extended the
capabilities that have been defined within the CCITT X.500 Series
Recommendation to allow the exchange of additional information often
recorded on business cards and electronic contact managers. For
example, this specification provides support for exchanging graphic
images representing company logos, photographs of individuals, geo-
positioning information, and other extensions to properties defined by
the X.500 Recommendation.
The specification of all date and time values are defined in terms of
the ISO 8601 standard for representation of dates and times. ISO 8601
supersedes all other international standards defined at the time this
specification was drafted.
The paradigm of an electronic business card is related to the concepts
of aQuoted-Printable lines of text must also be limited to less than
76 characters. The 76 characters does not include the CRLF (RFC 822)
line break sequence. For example a multiple line LABEL property value
of:
123 Winding Way
Any Town, CA 12345
USA
Would be represented in a Quoted-Printable encoding as:
LABEL;ENCODING=QUOTED-PRINTABLE:123 Winding Way=0D=0A=
Any Town, CA 12345=0D=0A=
USA
Property parameter substrings are delimited by a field delimiter,
specified by the Semi-colon character (ASCII decimal 59). A Semi-colon
in a property parameter value must be escaped with a Backslash
character (ASCII 92).
Compound property values are property values that also make use of the
Semi-colon, field delimiter to separate positional components of the
value. For example, the Name property is made up of the Family Name,
Given Name, etc. components. A Semi-colon in a component of a compound
property value must be escaped with a Backslash character (ASCII 92).
Grouping
There are two forms of grouping or collections supported within the
vCard. A collection of vCard objects can be grouped and a collection
of properties within an individual vCard can be grouped.
vCard Grouping
The vCard data stream can consist of multiple vCard objects. The vCard
data stream can, sequentially, contain one or more vCard objects., In
addition, the vCard data stream can contain a property whose value is
a nested vCard. In both of these cases, each vCard object will be
delimited by the vCard Delimiters. The vCard Reader conforming to this
specification must be able to parse and process any of these
combinations of vCard Groupings. The support for vCard Grouping is
optional for a vCard Writer conforming to this specification.
Property Grouping
A Property Grouping is the definition of a method for specifying a
collection of related properties within a vCard object. There is no
requirement on a vCard reader that it preserve the property group
name. However, the vCard reader is required to preserve the grouping
of the properties.
The Property Grouping is identified by a character string prefix to
the property name; separated by the Period character (ASCII decimal
46).
The grouping of a comment property with a telephone property is shown
in the following example:
A.TEL;HOME:+1-213-555-1234
A.NOTE:This is my vacation home.
The vCard Reader conforming to this specification must be able to
parse and process the property grouping. The support for Property
Grouping is optional for a vCard Writer conforming to this
specification.
Encodings
The default encoding for the vCard object is 7-Bit. The default
encoding can be overridden for an individual property value by using
the "ENCODING" property parameter. This parameter value can be either
"BASE64", "QUOTED-PRINTABLE", or "8BIT". This parameter may be used on
any property.
Some transports (e.g., MIME based electronic mail) may also provide an
encoding property at the transport wrapper level. This property can be
used in these cases for transporting a vCard data stream that has been
defined using a default encoding other than 7-bit (e.g., 8-bit).
Character Set
The default character set is ASCII. The default character set can be
overridden for an individual property value by using the "CHARSET"
property parameter. This property parameter may be used on any
property. However, the use of this parameter on some properties may
not make sense.
Any character set registered with the Internet Assigned Numbers
Authority (IANA) can be specified by this property parameter. For
example, ISO 8859-8 or the Latin/Hebrew character set is specified by:
ADR;CHARSET=ISO-8859-8:...
Some transports (e.g., MIME based electronic mail) may also provide a
character set property at the transport wrapper level. This property
can be used in these cases for transporting a vCard data stream that
has been defined using a default character set other than ASCII (e.g.,
UTF-8).
Language
The default language is "en-US" (US English). The default language can
be overridden for an individual property value by using the "LANGUAGE"
property parameter. The values for this property are a string
consistent with RFC 1766, Tags for the Identification of Languages.
This property parameter may be used on any property. However, the use
of this parameter on some properties, such as PHOTO, LOGO, SOUND, TEL,
may not make sense. Canadian French would be specified by this
parameter by the following:
ADR;LANGUAGE=fr-CA:...
Value Location
The default location of the property value is inline with the
property. However, for some properties, such as those that specify
multimedia values, it is efficient to organize the property value as a
separate entity (e.g., a file out on the network). The property
parameter "VALUE" can be specified to override the "INLINE" location
of the property value. In the case of the vCard being transported
within a MIME email message, the property value can be specified as
being located in a separate MIME entity with the "Content-ID" value,
or "CID" for short. In this case, the property value is the Content-ID
for the MIME entity containing the property value. In addition, the
property value can be specified as being located out on the network
within some Internet resource with the "URL" value. In this case, the
property value is the Uniform Resource Locator for the Internet
resource containing the property value. This property parameter may be
used on any property. However, the use of this parameter on some
properties may not make sense; for example the Version, Time Zone,
Comment, Unique Identifier, properties . The following specifies a
value not located inline with the vCard but out in the Internet:
PHOTO;VALUE=URL;TYPE=GIF:http://www.abc.com/dir_photos/my_photo.gif
SOUND;VALUE=CONTENT-ID: Fill out this form and we'll
create a Versitcard for you and send it to the email address of
your choice,
along with more information on the Versitcard format.Create Your Own Versitcard
Section 4 : UI Support Recommendations [DS5] When integrating vCard support into an application, an implementor needs to consider a number of user interface (UI) implications. Most appliss Type ADR.x TYPE=CHECKBOX. Separate input elements are used to capture the possible delivery types. The elements are named ADR.x, where x is one of the enumerated strings defined by the vCard specification. Delivery Label LABEL Label Type LABEL.x TYPE=CHECKBOX. Separate input elements are used to capture the possible delivery types. The elements are named LABEL.x, where x is one of the enumerated strings defined by the vCard specification. Telecommunications Addressing Properties Description Attribute Name Comment Telephone Number TEL Telephone Type TEL.x TYPE=CHECKBOX. Separate input elements are used to capture the possible telephone types. The elements are named TEL.x, where x is one of the enumerated strings defined by the vCard specification. Electronic Mail Address EMAIL Electronic Mail Address Type EMAIL.Type Selection option from a list of alternatives. Mailer MAILER Geographical Properties Description Attribute Name Comment Time Zone TZ Geographic Position GEO Organizational Properties Description Attribute Name Comment Title TITLE Business Category ROLE Logo LOGO Only the URL based specification is supported by this mapping. Value is the URL for the graphic. Logo Format Type LOGO.Type Where the value is one of the enumerated strings defined by the vCard specification. Agent Captured through a separate form element using the mapping defined in these tables. Organization ORG TYPE=TEXT. Separate input elements for the organizational name and unit. The name ORG.Name is used to capture the organizational name. The name ORG.UNIT is used to capture the organizational unit. If there are multiple organizational units, it is captured in a form with name attributes ORG.UNIT1, ORG.UNIT2, etc. Explanatory Properties Description Attribute Name Comment Comment NOTE TYPE=TEXT Last Revision REV A hidden field. Version VERSION A hidden field with the value set to the string ?2.1?. Language LANG A hidden field with the value set to the string associated with the default language used in the form (e.g., US-eng). Sound SOUND TYPE=TEXT Sound Type N/A Uniform Resource Locator URL TYPE=TEXT Unique Identifier UID TYPE=TEXT Binary Encoding BE.x Where x is one of the enumerated encoding types defined by the vCard specification. Security Properties Description Attribute Name Comment Public Key KEY Key Type KEY.Type.x Where x is one of the enumerated encoding types defined by the vCard specification. MISCELLANEOUS PROPERTIES Extensions X-x Where x is a string defined by the extension author. Where multiple properties (e.g., telephone numbers) appear, a label prefix should be used. For example, telephone #1 might have a name attribute of ?A.TEL?, telephone #2 might have a name attribute of ?B.TEL?, etc. Example HTML Code The following HTML code is an example of the use of the mapping of INPUT element attributes names to vCard property names. The code can be used to capture input data for creating a vCard on a Web homepage.
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