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TS 26.113: Clarify implicit re-registration & unregistration

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.113Issues relating to SA4's "Real-Time Media Communication; Protocols and APIs" stage-3 spec.Issues relating to SA4's "Real-Time Media Communication; Protocols and APIs" stage-3 spec.

Clarification

Status: Open.

New Feature

#201 In 5G-MAG/Standards;

· nlsdvl opened on Mar 20, 2026

TS 26.517: Missing "cancelled" property in ServiceScheduleDescription OpenAPI YAML

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.517Issues relating to SA4's "5G Multicast–Broadcast User Services; Protocols and Format" specification.Issues relating to SA4's "5G Multicast–Broadcast User Services; Protocols and Format" specification.

Correction

Improvement

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#200 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 17, 2026

·  

SA4#135-bis-e→SA#112

TS 29.580: Conditions for population of the mbsUserServAnmt property

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 29.580Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.

Clarification

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#198 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 10, 2026

TS 26.502/TS 29.580: Conformance profiles list missing

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

3GPP TS 29.580Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.

Improvement

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#197 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 10, 2026

·  

SA4#135-bis-e→SA#112

TS 29.502: Object repair back-off parameters are not present in User Data Ingest Session

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

Clarification

Improvement

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#195 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 9, 2026

·  

SA4#135-bis-e→SA#112

TS 26.502/TS 29.580/TS 29.581: Unclear how transport security protection is enabled, and from where security context information is obtained for inclusion in User Service Announcement

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

3GPP TS 29.580Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.

3GPP TS 29.581Issues relating to CT4's "Multicast/Broadcast Serives Transport Function" stage-3 spec.Issues relating to CT4's "Multicast/Broadcast Serives Transport Function" stage-3 spec.

Clarification

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#194 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 9, 2026

TS 26.502: No reference point for User Service Description retrieval by the MBS Application Provider

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

New Feature

Status: Open.

New Feature

#193 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 9, 2026

TS 29.502/TS 29.580/TS 29.581: Content type of object acquisition identifiers required for population of Application Service Description in User Service Announcement is missing

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

3GPP TS 29.580Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.

3GPP TS 29.581Issues relating to CT4's "Multicast/Broadcast Serives Transport Function" stage-3 spec.Issues relating to CT4's "Multicast/Broadcast Serives Transport Function" stage-3 spec.

Improvement

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#192 In 5G-MAG/Standards;

· davidjwbbc opened on Mar 9, 2026

·  

SA4#135-bis-e→SA#112

TS 29.580: Collection level API retrieve operations do not include the relevant resource id

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 29.580Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.Issues relating to CT3's "Multicast/Broadcast Serivce Function" stage-3 spec.

Improvement

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#191 In 5G-MAG/Standards;

· davidjwbbc opened on Feb 6, 2026

TS 26.113: handling Close message procedure in SWAP protocol

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.113Issues relating to SA4's "Real-Time Media Communication; Protocols and APIs" stage-3 spec.Issues relating to SA4's "Real-Time Media Communication; Protocols and APIs" stage-3 spec.

Clarification

DoubtA doubt on a specificationA doubt on a specification

Status: Open.

Standards

#190 In 5G-MAG/Standards;

· nlsdvl opened on Jan 9, 2026

·  

3GPP SA4#135→SA#111

TS 26.502: Wrong MBSTF notification?

3GPP Rel-17Issues relating to 3GPP Release 17 specifications.Issues relating to 3GPP Release 17 specifications.

3GPP Rel-18Issues relating to 3GPP Release 18 specifications.Issues relating to 3GPP Release 18 specifications.

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.502Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.Issues relating to SA4's "5G Multicast–Broadcast; User Services Architecture" specification.

Clarification

DocumentationAn issue with the documentationAn issue with the documentation

MBS User ServicesImplementation of SA4 5G MBS User ServicesImplementation of SA4 5G MBS User Services

Status: Open.

Standards

#188 In 5G-MAG/Standards;

· davidjwbbc opened on Dec 17, 2025

·  

3GPP SA4#135→SA#111

TS 26.346: Object release time for in-session unicast repair

3GPP Rel-19Issues relating to 3GPP Release 19 specifications.Issues relating to 3GPP Release 19 specifications.

3GPP TS 26.346Issues relating to "Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs" spec.Issues relating to "Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs" spec.

DoubtA doubt on a specificationA doubt on a specification

Status: Open.

Standards

#187 In 5G-MAG/Standards;

· chburdinat opened on Dec 4, 2025