TS 02.93 – Completion of Calls to Busy Subscriber (CCBS)
3GPP TS 02.93 is the 3GPP Technical Specification for Completion of Calls to Busy Subscriber (CCBS). It is published in 6 releases (Rel-2 to R99); the latest version is 1110 in R99.
Stage 1 service description for CCBS, enabling automatic call completion when a busy called party becomes available.
Releases and versions of TS 02.93
| Release | Latest version | Links |
|---|---|---|
| R99 | 1110 | Read · Download (3GPP) |
| R98 | 7.0.0 | Read · Download (3GPP) |
| R97 | 6.0.1 | Read · Download (3GPP) |
| R96 | 5.5.0 | Read · Download (3GPP) |
| Ph2 | 4.0.1 | Read · Download (3GPP) |
| Rel-2 | 1200 | Read · Download (3GPP) |
Scope of TS 02.93
Category: Services (Supplementary Services). Technology generation: 2G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 02 series
- TS 02.87 User-to-User Signalling (UUS) Supplementary Service
- TS 02.88 Call Restriction Supplementary Services
- TS 02.90 Unstructured Supplementary Service Data (USSD)
- TS 02.91 Explicit Call Transfer (ECT) Stage 1
- TS 02.95 Support of Private Numbering Plan (SPNP)
- TS 02.96 CNAP Calling Name Presentation Service
- TS 02.97 Multiple Subscriber Profile (MSP)
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 02.93?
3GPP TS 02.93 is the 3GPP Technical Specification for Completion of Calls to Busy Subscriber (CCBS). Stage 1 service description for CCBS, enabling automatic call completion when a busy called party becomes available.
Which 3GPP releases include TS 02.93?
TS 02.93 is published in 6 releases, from Rel-2 to R99. The latest version on 3GPP Explorer is 1110 (R99).
What category does TS 02.93 belong to?
TS 02.93 belongs to the Services (Supplementary Services) category of 3GPP specifications. It applies to 2G networks.
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