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Generic URI
ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 7197 – Presence of temporally redundant media streams and duplication delay in SDP
RFC 7197
–
Section 3
a=
duplication-delay
attribute-fields
=/
delaying-attribute
delaying-attribute
=
"
a=duplication-delay:
"
periods
CRLF
periods
=
period
*(
SP
period
)
period
=
1*
DIGIT
; in milliseconds