TS 22.273 – IMS Multimedia Telephony with PSTN/ISDN Simulation
3GPP TS 22.273 is the 3GPP Technical Specification for IMS Multimedia Telephony with PSTN/ISDN Simulation. It is part of 3GPP Rel-7 (version 7.1.0).
Defines requirements for multimedia telephony services in NGN using IMS to simulate PSTN/ISDN services, enabling smooth transition from legacy networks.
Releases and versions of TS 22.273
| Release | Latest version | Links |
|---|---|---|
| Rel-7 | 7.1.0 | Read · Download (3GPP) |
Scope of TS 22.273
Category: Services (IMS). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 22 series
- TS 22.261 5G System Service Requirements
- TS 22.262 MSGin5G Service Requirements
- TS 22.263 5G Professional Video/Audio/Imaging Requirements
- TS 22.268 Public Warning System (PWS) Requirements
- TS 22.278 Evolved Packet System Service Requirements
- TS 22.279 CS and IMS Combinational Services Requirements
- TS 22.280 Mission Critical Services Common Requirements (MCCoRe)
- TS 22.281 Mission Critical Video (MCVideo) Service Requirements
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 22.273?
3GPP TS 22.273 is the 3GPP Technical Specification for IMS Multimedia Telephony with PSTN/ISDN Simulation. Defines requirements for multimedia telephony services in NGN using IMS to simulate PSTN/ISDN services, enabling smooth transition from legacy networks.
Which 3GPP releases include TS 22.273?
TS 22.273 is part of 3GPP Rel-7. The latest version on 3GPP Explorer is 7.1.0 (Rel-7).
What category does TS 22.273 belong to?
TS 22.273 belongs to the Services (IMS) category of 3GPP specifications. It applies to Multi-Gen networks.
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