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ABNF for SIP Headers

(28  of  93)

SIP Header — From

Section 20.20 of RFC 3261  and  ABNF in RFC 3261
See also:  To

From =
( "From" /  "f" )  HCOLON  from-spec

; examples:
; From: Alice <sip:alice@atlanta.example.com>;tag=9fxced76sl
; From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=1928301774

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from-spec =
( name‑addr /  addr‑spec )  *( SEMI  from‑param )
Up
from-param =
tag‑param /  generic‑param
Up
tag-param =
"tag"  EQUAL  token
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