SDP capability negotiation extensions
E565072
SDP capability negotiation extensions are a set of IETF-defined mechanisms that allow endpoints using the Session Description Protocol to dynamically negotiate and select compatible media and transport capabilities during session setup.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
IETF protocol extension
ⓘ
SDP extension mechanism ⓘ |
| abbreviation | SDP capneg ⓘ |
| appliesTo |
multimedia sessions
ⓘ
offer/answer model ⓘ |
| backwardsCompatibleWith | basic SDP ⓘ |
| category | media negotiation mechanism ⓘ |
| definedIn | IETF NERFINISHED ⓘ |
| definedInRFC | RFC 5939 ⓘ |
| designGoal |
flexible capability selection
ⓘ
interoperability between heterogeneous endpoints ⓘ minimal impact on legacy SDP processing ⓘ |
| documentType | Internet Standard Track specification ⓘ |
| enables |
advertising multiple capability sets in a single SDP
ⓘ
selection of a single agreed configuration ⓘ |
| extends | SDP offer/answer procedures ⓘ |
| governedBy | IETF MMUSIC working group NERFINISHED ⓘ |
| hasGoal |
backward compatibility with legacy SDP endpoints
ⓘ
selection of compatible media capabilities ⓘ selection of compatible transport capabilities ⓘ |
| negotiates |
codec alternatives
ⓘ
security alternatives ⓘ transport alternatives ⓘ |
| organization | Internet Engineering Task Force NERFINISHED ⓘ |
| provides |
mechanisms to describe alternative capabilities
ⓘ
mechanisms to fall back to baseline SDP ⓘ mechanisms to negotiate preferred configurations ⓘ |
| relatedTo |
SDP
ⓘ
media capability negotiation ⓘ offer/answer model ⓘ transport capability negotiation ⓘ |
| standardStatus | Proposed Standard ⓘ |
| supports |
dynamic negotiation of media capabilities
ⓘ
dynamic negotiation of transport capabilities ⓘ |
| supportsCapabilityType |
bandwidth-related capabilities
ⓘ
media format capabilities ⓘ security capabilities ⓘ transport protocol capabilities ⓘ |
| updatesRFC | RFC 3264 NERFINISHED ⓘ |
| usedDuring | session setup ⓘ |
| usedIn |
VoIP systems
ⓘ
multimedia conferencing ⓘ real-time communication systems ⓘ |
| usesModel | offer/answer negotiation ⓘ |
| usesProtocol | Session Description Protocol NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.