M.5 predefined_ROI

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 predefined video region-of-interest (ROI) 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 pre-defined regions of interest can be requested in a video telephony session.

Appropriate Attribute Values for this Attribute:

See clause

MUX Category for this Attribute: