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ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 5888 – SDP Grouping Framework
RFC 5888
–
Section 4
— see also:
IANA
a=
mid
a=
group
attribute-fields
=/
mid‑attribute
/
group‑attribute
mid-attribute
=
"
a=mid:
"
identification‑tag
CRLF
group-attribute
=
"
a=group:
"
semantics
*(
SP
identification‑tag
)
CRLF
semantics
=
"
LS
" /
; see RFC 5888
"
FID
" /
; see RFC 5888
"
SRF
" /
; see
RFC 3524
–
Section 2
"
ANAT
" /
; see
RFC 4091
–
Section 3
"
FEC-FR
" /
; see
RFC 5956
–
Section 4.1
"
DDP
" /
; see
RFC 5583
–
Section 5.2
"
DUP
" /
; see
RFC 7104
–
Section 3.1
"
SPLICE
"
; see
RFC 8286
–
Section 8.3
identification-tag
=
token