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ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 6947 – SDP Alternate Connectivity (ALTC)
RFC 6947
–
Section 4
a=
altc
attribute
=/
altc-attr
altc-attr
=
"
altc
" "
:
"
att-value
att-value
=
altc-num
SP
addrtype
SP
connection-address
SP
port
[ "
/
"
rtcp-port
]
altc-num
=
1*
DIGIT
rtcp-port
=
port