M.4 3gpp_mtsi_app_adapt

26.1143GPPIP Multimedia Subsystem (IMS)Media handling and interactionMultimedia telephonyRelease 18TS

Contact name, email address, and telephone number:

3GPP Specifications Manager


+33 (0)492944200

Attribute Name (as it will appear in SDP)


Long-form Attribute Name in English:

3GPP MTSI RTCP-APP Adaptation attribute

Type of Attribute

Media level

Is Attribute Value subject to the Charset Attribute?

This Attribute is not dependent on charset.

Purpose of the attribute:

This attribute is used to negotiate which RTCP-APP request messages that can be used in a session.

Appropriate Attribute Values for this Attribute:

The attribute is a value attribute. The defined values are: "RedReq", "FrameAggReq", "AmrCmr", "EvsRateReq", "EvsBandwidthReq", "EvsParRedReq", "EvsIoModeReq", "EvsPrimaryModeReq".

MUX Category for this Attribute: