Specification
3GPP TS 23.247: Architectural enhancements for 5G multicast-broadcast services; Stage 2
At a glance
- Title
- Architectural enhancements for 5G multicast-broadcast services; Stage 2
- Newest version
- V20.0.0 (Rel-20)
- Versions indexed
- 4
- Newest per release
- Rel-17: V17.12.0 (2025-03-25); Rel-18: V18.8.0 (2025-03-25); Rel-19: V19.3.0 (2025-12-19); Rel-20: V20.0.0 (2026-09-24)
In plain words
TS 23.247 specifies architectural enhancements to the 5G system using NR to support multicast and broadcast communication services. Multicast and Broadcast Service (MBS) is a point-to-multipoint service. It can serve "either to all users in a Broadcast service area, or to users in a multicast group as defined in TS 22.146 [2].". Its scope includes delivery within certain location areas, mobility, MBS session management, policy control, QoS and group message delivery. V20.0.0 includes one CR with the subject MBS Roaming.
Source: 3GPP TS 23.247 V20.0.0, clause 4.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/23_series/23.247/23247-k00.zip
Newest version in each release
| Release | Newest version | In the archive | TSG meeting |
|---|---|---|---|
| Rel-20 | V20.0.0 | 2026-09-24 | TSG SA #113 |
| Rel-19 | V19.3.0 | 2025-12-19 | TSG SA #110 |
| Rel-18 | V18.8.0 | 2025-03-25 | TSG SA #107 |
| Rel-17 | V17.12.0 | 2025-03-25 | TSG SA #107 |
Source: 3GPP specification archive, versions indexed by 3GPP Scout. Each version links its official file.
Change requests in V20.0.0
V20.0.0 of TS 23.247 includes 1 CR.
| CR | Category | Subject | Source | Working group meeting | TSG TDoc |
|---|---|---|---|---|---|
| CR 0389 rev 1 | B | MBS Roaming | Nokia, SES, Toyota, BBC, LGE, Huawei | SA2 #176 | SP-260751 |
Source: 3GPP CR database.
Meetings behind the latest versions
Working group meetings that agreed the CRs in V20.0.0:
- SA2 #176: 1 CR
Plenary meetings:
- TSG SA #113 approved V20.0.0 (Rel-20)
- TSG SA #110 approved V19.3.0 (Rel-19)
- TSG SA #107 approved V18.8.0 (Rel-18)
Source: 3GPP CR database and specification archive, as indexed by 3GPP Scout.
Clauses changed in V20.0.0
6 clauses changed or added in V20.0.0. Each clause number opens Scout on that clause.
| Clause | Title | Change | CRs |
|---|---|---|---|
| 6.22 | Access to MBS multicast sessions provided by the VPLMN while roaming | added | CR 0389 |
| 6.23 | Access to MBS broadcast sessions provided by the VPLMN while roaming | added | CR 0389 |
| 6.4.2 | MBS subscription data in UDM | changed | CR 0389 |
| 6.13 | MBS Security function | changed | CR 0389 |
| 4.1 | Overview of multicast and broadcast communication | changed | CR 0389 |
| 7.2.9 | AF provisioning multicast MBS Session Authorization information | changed | CR 0389 |
Source: 3GPP Scout comparison of this version with the one before it.
Sources
- 3GPP TS 23.247 V20.0.0, clause 1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/23_series/23.247/23247-k00.zip
- 3GPP TS 23.247 V20.0.0, clause 4.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/23_series/23.247/23247-k00.zip
- 3GPP CR database.
How this page was made
The facts box and the tables come straight from the 3GPP specification archive and CR database as indexed by 3GPP Scout. An AI model (GPT-6 Luna) wrote the paragraph and named the source of each sentence. Code checked every quote word for word against the stored source text and every number against the cited source. A second AI model from another company (Claude Opus 5.5) reviewed the paragraph against the same sources. The 3GPP documents themselves govern.