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ABNF Notation
ABNF for SIP Headers
(32 of 93)
SIP Header — History-Info
RFC 7044
–
Section 5
History-Info
=
"
History‑Info
"
HCOLON
hi‑entry
*(
COMMA
hi‑entry
)
hi-entry
=
hi‑targeted‑to‑uri
*(
SEMI
hi‑param
)
hi-targeted-to-uri
=
name‑addr
hi-param
=
hi-index
/
hi‑target‑param
/
hi‑extension
hi-index
=
"
index
"
EQUAL
index‑val
index-val
=
number
*( "
.
"
number
)
number
=
[ %x31‑39 *
DIGIT
]
DIGIT
hi-target-param
=
rc‑param
/
mp‑param
/
np‑param
rc-param
=
"
rc
""
EQUAL
index‑val
mp-param
=
"
mp
""
EQUAL
index‑val
np-param
=
"
np
""
EQUAL
index‑val
hi-extension
=
generic‑param