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6.3. FEATURE Property Parameter

Parameter Name

FEATURE

Purpose

To specify a feature or features of a conference or broadcast system.

Format Definition

This property parameter is defined by the following notation:

 featureparam = "FEATURE" "=" featuretext *("," featuretext)
 featuretext  =  ("AUDIO" /     ; Audio capability
              "CHAT" /      ; Chat or instant messaging
              "FEED" /      ; Blog or Atom feed
              "MODERATOR" / ; Moderator dial-in code
              "PHONE" /     ; Phone conference
              "SCREEN" /    ; Screen sharing
              "VIDEO" /     ; Video capability
              x-name /      ; Experimental type
              iana-token)   ; Other IANA-registered type

Description

This property parameter MAY be specified on the "CONFERENCE" property. Multiple values can be specified. The "MODERATOR" value is used to indicate that the property value is specific to the owner/initiator of the conference and contains a URI that "activates" the system (e.g., a "moderator" access code for a phone conference system that is different from the "regular" access code).

Example

 CONFERENCE;VALUE=URI;FEATURE=AUDIO:rtsp://audio.example.com/
  event
 CONFERENCE;VALUE=URI;FEATURE=AUDIO,VIDEO:https://video-chat.exam
  ple.com/;group-id=1234

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