TS Latest: Rel-20 Services Multi-Gen

TS 24.390 – USSD over IMS Procedures

3GPP TS 24.390 is the 3GPP Technical Specification for USSD over IMS Procedures. Its official 3GPP title is “Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem IMS”. It is published in 10 releases (Rel-11 to Rel-20); the latest version is 20.1.0 in Rel-20.

Defines mobile- and network-initiated USSD MMI procedures over IMS using SIP signaling and XML-based USSD content.

Read TS 24.390 →

Document type
Technical Specification
Latest release
Rel-20
Latest version
20.1.0
Series
Category
Services
Network layer
Services
Technology
Multi-Gen

Releases and versions of TS 24.390

ReleaseLatest versionLinks
Rel-20 20.1.0 Read · Download (3GPP)
Rel-19 19.0.0 Read · Download (3GPP)
Rel-18 18.0.0 Read · Download (3GPP)
Rel-17 17.0.0 Read · Download (3GPP)
Rel-16 16.0.0 Read · Download (3GPP)
Rel-15 15.1.0 Read · Download (3GPP)
Rel-14 14.0.0 Read · Download (3GPP)
Rel-13 13.3.0 Read · Download (3GPP)
Rel-12 12.7.0 Read · Download (3GPP)
Rel-11 11.8.0 Read · Download (3GPP)

Scope of TS 24.390

Category: Services (IMS). Technology generation: Multi-Gen. Network layer: Services.

Who should read this specification?

Implementation notes

Complexity level: Advanced. Implementation difficulty: High.

Key technologies

IMSSIPSDPUSSDXML

Specifications referenced by TS 24.390

Specifications that reference TS 24.390

Other specifications in the 24 series

Frequently asked questions

What is 3GPP TS 24.390?

3GPP TS 24.390 is the 3GPP Technical Specification for USSD over IMS Procedures. Defines mobile- and network-initiated USSD MMI procedures over IMS using SIP signaling and XML-based USSD content.

Which 3GPP releases include TS 24.390?

TS 24.390 is published in 10 releases, from Rel-11 to Rel-20. The latest version on 3GPP Explorer is 20.1.0 (Rel-20).

What category does TS 24.390 belong to?

TS 24.390 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.

View the full specification with interactive table of contents, version history, and AI analysis.

Read Full Specification →