TR 22.973 – IMS Multimedia Telephony Service Definition
3GPP TR 22.973 is the 3GPP Technical Report for IMS Multimedia Telephony Service Definition. Its official 3GPP title is “IMS Multimedia Telephony service”. It is published in 13 releases (Rel-7 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines IMS-based Multimedia Telephony service and supplementary services for multi-vendor interoperability.
Releases and versions of TR 22.973
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.1 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
| Rel-7 | 7.0.0 | Read · Download (3GPP) |
Scope of TR 22.973
Category: Services (IMS). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TR 22.973
Specifications that reference TR 22.973
Other specifications in the 22 series
- TR 22.967 eCall Emergency Data Transmission
- TR 22.968 Study on Public Warning System (PWS)
- TR 22.970 Virtual Home Environment (VHE) Concept and Requirements
- TR 22.971 UMTS Roaming Framework
- TR 22.975 UMTS Numbering and Addressing Requirements
- TR 22.976 3GPP Release 2000 Service Requirements TR
- TR 22.977 Speech Enabled Services and Multimodal Framework
- TR 22.978 Feasibility of All-IP Network (AIPN) in 3GPP
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TR 22.973?
3GPP TR 22.973 is the 3GPP Technical Report for IMS Multimedia Telephony Service Definition. Defines IMS-based Multimedia Telephony service and supplementary services for multi-vendor interoperability.
Which 3GPP releases include TR 22.973?
TR 22.973 is published in 13 releases, from Rel-7 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TR 22.973 belong to?
TR 22.973 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
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