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ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 5432 – QoS Mechanism Selection
RFC 5432
–
Section 3
a=
qos-mech-send
a=
qos-mech-recv
attribute
=/
qos-mech-send-attr
/
qos-mech-recv-attr
qos-mech-send-attr
=
"
qos-mech-send
" "
:
" [ [
SP
]
qos-mech
*(
SP
qos-mech
) ]
qos-mech-recv-attr
=
"
qos-mech-recv
" "
:
" [ [
SP
]
qos-mech
*(
SP
qos-mech
) ]
qos-mech
=
"
rsvp
" / "
nsis
" /
extension-mech
extension-mech
=
token