Tech-
invite
3GPP
space
IETF
space
SIP
↠
Examples
Grammars
Presence
⇾
SIP
SIP‑URI
SIP Headers
SIP P‑Headers
SDP
Generic URI
ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 6284 – Port Mapping between Unicast and Multicast RTP Sessions
RFC 6284
–
Section 7.1
a=
portmapping-req
attribute-fields
=/
portmapping‑req‑attr
portmapping-req-attr
=
"
a=portmapping‑req:
"
port
[
SP
nettype
SP
addrtype
SP
connection‑address
]
CRLF