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ABNF for SIP Headers

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SIP Header — Call-Info

Section 20.9 of RFC 3261  and  ABNF in RFC 3261

Call-Info =
"Call-Info"  HCOLONinfo  *( COMMAinfo )

; examples:
; Call-Info: <http://www.example.com/alice/photo.jpg> ;purpose=icon,
;  <http://www.example.com/alice/> ;purpose=info
; Call-Info:<sip:456@z.b.com>;purpose=call‑completion;m=NR

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info =
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info-param =
( "purpose"  EQUAL  (
"icon" /  "info" /  "card" /
"list‑management" /  ; see  RFC 5367Section 9
"call‑completion" /  ; see  RFC 6910Section 12.4
"impp" /  ; see  RFC 6993Section 3
"ccmp" /  ; see  RFC 7082Section 5.1
"EmergencyCallData" /  ; see  RFC 7852Section 11.2
token )
/  ( "m"  EQUAL  ( "BS" /  "NR" /  "NL" ) )     ; see  RFC 6910Section 12.5
generic‑param
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