# Summary of S3-254551: Reply LS on IMS Avatar Security Aspects

## Document Overview

This is a Reply Liaison Statement (LS) from SA3 to SA2 regarding the status of security aspects for IMS Avatar communication. The document responds to SA2's LS (S3-254015/S2-2509593) on Avatar Security Aspects and provides a status update on the completion of related security work.

## Main Technical Contributions

### Completion of Rel-19 Security Work for IMS Avatar Communication

SA3 reports the completion of normative security work for IMS avatar communication under the following parameters:

- **Work Item**: NG_RTC_SEC_Ph2 (Next Generation Real-Time Communication Security Phase 2)
- **Specification**: TS 33.328, Annex R
- **Status**: Final CR (CR084) for TS 33.328 Annex R was agreed at SA3#124 (October 17-21, 2025)
- **Expected Approval**: SA#110 plenary meeting

### Key Milestone

The security aspects for IMS avatar communication have been fully specified in the normative Annex R of TS 33.328, completing the Rel-19 security requirements for this feature.

## Actions

SA3 requests SA2 to:
- Take the completion status of the IMS Avatar security work into account
- Note that the normative security specifications are now available in TS 33.328, Annex R

## Meeting Schedule

- **SA3#126**: February 9-13, 2026 - Goa, India
- **SA3#127**: April 13-17, 2026 - Malta