Registration of text/directory MIME type IMPP

[Cullen Jennings <fluffy@xxxxxxxxx>]

   Type name: IMPP

   Type purpose: To specify the URI for instant messaging and presence
   protocol communication with the object the vCard represents.

   Type encoding: 8bit

   Type value: A single URI.  The type of the URI indicates the protocol
   that can be used for this contact.

   Type special notes: The type can include the type parameter "TYPE" to
   specify an intended use for the URI.  The TYPE parameter values can
   include:

      An indication of the type of communication for which this URI is
      appropriate.  This can be a value of PERSONAL or BUSINESS.

      An indication of the location of a device associated with this
      URI.  Values can be HOME, WORK, or MOBILE.

      The value PREF indicates this is a preferred address and has the
      same semantics as the PREF value in a TEL type.

   Intended usage: COMMON


Note this is further discussed in draft-jennings-impp-vcard-04 which can be
found at

http://www.ietf.org/internet-drafts/draft-jennings-impp-vcard-04.txt