TS 03.93 – Completion of Calls to Busy Subscriber
3GPP TS 03.93 is the 3GPP Technical Specification for Completion of Calls to Busy Subscriber. It is published in 2 releases (R97 to R98); the latest version is 7.0.0 in R98.
CCBS service enables automatic call completion when called party becomes available, enhancing user experience in mobile networks.
Releases and versions of TS 03.93
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.0.0 | Read · Download (3GPP) |
| R97 | 6.2.0 | Read · Download (3GPP) |
Scope of TS 03.93
Category: Services (Supplementary Services). Technology generation: 2G. 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 03 series
- TS 03.87 User-to-User Signalling Supplementary Services
- TS 03.88 Call Barring Services Stage 2 Description
- TS 03.90 Unstructured Supplementary Service Data (USSD)
- TS 03.91 Explicit Call Transfer Supplementary Service
- TS 03.96 Calling Name Presentation Supplementary Service
- TS 03.97 Multiple Subscriber Profile Phase 1
Related glossary terms
Frequently asked questions
What is 3GPP TS 03.93?
3GPP TS 03.93 is the 3GPP Technical Specification for Completion of Calls to Busy Subscriber. CCBS service enables automatic call completion when called party becomes available, enhancing user experience in mobile networks.
Which 3GPP releases include TS 03.93?
TS 03.93 is published in 2 releases, from R97 to R98. The latest version on 3GPP Explorer is 7.0.0 (R98).
What category does TS 03.93 belong to?
TS 03.93 belongs to the Services (Supplementary Services) category of 3GPP specifications. It applies to 2G networks.
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