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ABNF for SIP Headers

(20  of  93)

SIP Header — Content-Type

Section 20.15 of RFC 3261  and  ABNF in RFC 3261

Content-Type =
( "Content‑Type" /  "c" )  HCOLON  media‑type

; example:
; Content‑Type: application/sdp

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media-type =
m‑type  SLASH  m‑subtype  *( SEMI  m‑parameter )
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m-type =
discrete‑type /  composite‑type
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discrete-type =
"text" /  "image" /  "audio" /  "video" /  "application" /  extension‑token
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composite-type =
"message" /  "multipart" /  extension‑token
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extension-token =
ietf‑token /  x‑token
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ietf-token =
token
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x-token =
"x-"  token
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m-subtype =
extension‑token /  iana‑token
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iana-token =
token
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m-parameter =
m‑attribute  EQUAL  m‑value
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m-attribute =
token
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m-value =
token /  quoted‑string
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