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ABNF for SIP Headers

(90  of  93)

SIP Header — User-to-User

RFC 7433 – Section 4.1

UUI =
"User‑to‑User"  HCOLON  uui‑value  *( COMMA  uui‑value )
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uui-value =
uui‑data  *( SEMI  uui‑param )
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uui-param =
token /  quoted‑string
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uui-data =
pkg‑param  /  cont‑param /  enc‑param /  generic‑param
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pkg-param =
"purpose"  EQUAL  pkg‑param‑value
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pkg-param-value =
"isdn‑uui" /  ; see  RFC 7434 – Section 11
token
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cont-param =
"content"  EQUAL  cont‑param‑value
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cont-param-value =
"isdn-uui" /  ; see  RFC 7434 – Section 11
token
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enc-param =
"encoding"  EQUAL  enc‑param‑value
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enc-param-value =
token /  "hex" 
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