Session Description Protocol

E544008
application-layer protocol network protocol

Session Description Protocol (SDP) is a format used in multimedia communication systems to describe streaming media sessions for purposes such as session announcement, invitation, and negotiation of media parameters.

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All labels observed (2)

Label Occurrences
Session Description Protocol canonical 3
Session Description Protocol Security Descriptions 2

Statements (55)

Predicate Object
instanceOf application-layer protocol ⓘ
network protocol ⓘ
abbreviation SDP ⓘ
associatedWith Multicast Session Announcement Protocol NERFINISHED ⓘ
RTP ⓘ
RTSP NERFINISHED ⓘ
Real-time Streaming Protocol NERFINISHED ⓘ
Real-time Transport Protocol NERFINISHED ⓘ
SAP NERFINISHED ⓘ
SIP NERFINISHED ⓘ
Session Initiation Protocol NERFINISHED ⓘ
definedIn RFC 4566 NERFINISHED ⓘ
doesNotProvide media transport ⓘ
signaling ⓘ
encoding US-ASCII ⓘ
hasDesignGoal human readability ⓘ
machine parseability ⓘ
hasField a= (session attribute) ⓘ
b= (bandwidth information) ⓘ
c= (connection information) ⓘ
e= (email address) ⓘ
i= (session information) ⓘ
k= (encryption key) ⓘ
m= (media name and transport address) ⓘ
o= (origin) ⓘ
p= (phone number) ⓘ
r= (repeat times) ⓘ
s= (session name) ⓘ
t= (time the session is active) ⓘ
u= (URI of description) ⓘ
v= (protocol version) ⓘ
z= (time zone adjustments) ⓘ
hasVersionNumber 0 ⓘ
layer application layer ⓘ
mediaControl out-of-band ⓘ
originallyDefinedIn RFC 2327 NERFINISHED ⓘ
standardizedBy Internet Engineering Task Force ⓘ
surface form: IETF
supports IPv4 ⓘ
IPv6 ⓘ
codec negotiation ⓘ
media format negotiation ⓘ
multicast sessions ⓘ
multiple media descriptions ⓘ
transport protocol negotiation ⓘ
unicast sessions ⓘ
textBased true ⓘ
usedFor describing multimedia communication sessions ⓘ
negotiation of media parameters ⓘ
session announcement ⓘ
session invitation ⓘ
streaming media session description ⓘ
usedIn IPTV NERFINISHED ⓘ
Voice over IP NERFINISHED ⓘ
WebRTC NERFINISHED ⓘ
video conferencing ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Interactive Connectivity Establishment → relatedTo → Session Description Protocol ⓘ
SDES → fullName → Session Description Protocol ⓘ
this entity surface form: Session Description Protocol Security Descriptions
SDES → abbreviationFor → Session Description Protocol ⓘ
this entity surface form: Session Description Protocol Security Descriptions
SDES → usesProtocol → Session Description Protocol ⓘ
IETF MMUSIC Working Group → standardizes → Session Description Protocol ⓘ