TS 22.135 – Multicall Supplementary Service Specification
3GPP TS 22.135 is the 3GPP Technical Specification for Multicall Supplementary Service Specification. Its official 3GPP title is “Multicall; Service description”. It is published in 17 releases (R99 to Rel-19); the latest version is 19.0.0 in Rel-19.
Enables multiple simultaneous circuit-switched calls with dedicated bearers. Defines provisioning, invocation, and interactions with other services.
Releases and versions of TS 22.135
| 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) |
| Rel-6 | 6.0.0 | Read · Download (3GPP) |
| Rel-5 | 5.0.0 | Read · Download (3GPP) |
| Rel-4 | 4.2.0 | Read · Download (3GPP) |
| R99 | 3.4.0 | Read · Download (3GPP) |
Scope of TS 22.135
Category: Services (Supplementary Services). Technology generation: 3G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 22.135
- TS 22.001 Circuit Telecommunication Services in PLMN
- TS 22.004 Supplementary Services Stage 1 Specification
- TS 22.024 Advice of Charge (AoC) Supplementary Service
- TS 22.030 UE Man-Machine Interface (MMI)
- TS 22.100 UMTS Service Requirements for Release '99
- TS 22.129 Service Requirements for Handover & Service Continuity
- TS 22.097 Multiple Subscriber Profile (MSP) service
Specifications that reference TS 22.135
- TS 29.002 Mobile Application Part (MAP) Specification
- TS 22.030 UE Man-Machine Interface (MMI)
- TS 27.007 AT Command Interface for Mobile Terminals
- TS 22.105 Telecommunication Services Framework
- TS 23.135 Multicall Supplementary Service Stage 2
- TS 22.087 User-to-User Signalling (UUS) Supplementary Service
- TS 22.097 Multiple Subscriber Profile (MSP) service
- TS 24.135 Multicall Supplementary Service Stage 3
Other specifications in the 22 series
- TS 22.121 Virtual Home Environment Service Requirements
- TS 22.125 Uncrewed Aerial Systems Requirements
- TS 22.127 Open Service Access (OSA) Stage 1 Requirements
- TS 22.129 Service Requirements for Handover & Service Continuity
- TS 22.137 Integrated Sensing and Communication Service Reqs
- TS 22.140 MMS Stage 1 Requirements
- TS 22.141 Presence Service Requirements
- TS 22.142 Value-added Services for SMS Requirements
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 22.135?
3GPP TS 22.135 is the 3GPP Technical Specification for Multicall Supplementary Service Specification. Enables multiple simultaneous circuit-switched calls with dedicated bearers. Defines provisioning, invocation, and interactions with other services.
Which 3GPP releases include TS 22.135?
TS 22.135 is published in 17 releases, from R99 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 22.135 belong to?
TS 22.135 belongs to the Services (Supplementary Services) category of 3GPP specifications. It applies to 3G networks.
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