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ABNF Notation
ABNF for SIP Headers
(68 of 93)
SIP Header — Retry-After
Section 20.33 of RFC 3261
and
ABNF in RFC 3261
Retry-After
=
"
Retry-After
"
HCOLON
delta‑seconds
[
comment
] *(
SEMI
retry‑param
)
; examples:
;
Retry‑After: 18000;duration=3600
;
Retry‑After: 120 (I'm in a meeting)
retry-param
=
( "
duration
"
EQUAL
delta‑seconds
) /
generic‑param