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ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 6189 – Media Path Key Agreement for Unicast Secure RTP
RFC 6189
–
Section 8
a=
zrtp-hash
attribute-fields
=/
zrtp‑attribute
zrtp-attribute
=
"
a=zrtp‑hash:
"
zrtp‑version
zrtp‑hash‑value
CRLF
zrtp-version
=
token
zrtp-hash-value
=
1*(
HEXDIG
)