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ABNF Notation
ABNF for SIP Headers
(26 of 93)
SIP Header — Feature-Caps
RFC 6809
–
Section 6
Feature-Caps
=
"
Feature-Caps
"
HCOLON
fc‑value
*(
COMMA
fc‑value
)
fc-value
=
"
*
" *(
SEMI
feature‑cap
)
feature-cap
=
"
+
"
fcap‑name
[
EQUAL
LDQUOT
(
fcap‑value‑list
/
fcap‑string‑value
)
RDQUOT
]
fcap-name
=
ftag‑name
fcap-value-list
=
tag‑value‑list
fcap-string-value
=
string‑value