Content Disposition Values and Parameters
2021-09-14
In there is a discussion of the "Content-Disposition" header
field and the description of the initial values allowed in this
header. Additional values may be registered with the IANA
following the procedures in section 9 of .
Content Disposition Values
Standards Track or IESG-Approved Experimental RFC
inline
displayed automatically
(none)
attachment
user controlled display
filename, creation-date, modification-date, read-date, size, handling
form-data
process as form response
name, filename
signal
tunneled content to be processed silently
handling
alert
the body is a custom ring tone to alert the
user
handling
icon
the body is displayed as an icon to the user
handling
render
the body should be displayed to the user
handling
recipient-list-history
the body contains a list of URIs that
indicates the recipients of the request
handling
session
the body describes a communications session,
for example, an RFC2327 SDP body
handling
aib
Authenticated Identity Body
handling
early-session
the body describes an early communications
session, for example, and [RFC2327] SDP body
(none)
recipient-list
The body includes a list of URIs to which
URI-list services are to be applied.
(none)
notification
the payload of the message carrying this
Content-Disposition header field value is
an Instant Message Disposition Notification
as requested in the corresponding Instant
Message.
(none)
by-reference
The body needs to be handled according to a
reference to the body that is located in
the same SIP message as the body.
handling
info-package
The body contains information associated with an
Info Package
(none)
recording-session
The body describes either metadata about the RS or the reason
for the metadata snapshot request as determined by the MIME
value indicated in the Content-Type.
(none)
Content Disposition Parameters
First Come First Served
filename
name to be used when creating file
creation-date
date when content was created
modification-date
date when content was last modified
read-date
date when content was last read
size
approximate size of content in octets
name
original field name in form
voice
type or use of audio content
handling
whether or not processing is required
preview-type
Internet media type (and parameters) of the preview output desired from a processor by the author of the MIME content
reaction
Permit a recipient to respond by signaling basic
reactions to an author's posting, such as with a 'thumbs up' or
'smiley' graphic
Voice Parameter Values
Not Defined
Voice-Message
Voice-Message-Notification
Originator-Spoken-Name
Recipient-Spoken-Name
Spoken-Subject
Handling Parameter Values
Not Defined
required
body must be understood
optional
body may be silently discarded