TS 23.014 – DTMF Support in 3GPP Systems
3GPP TS 23.014 is the 3GPP Technical Specification for DTMF Support in 3GPP Systems. Its official 3GPP title is “Support of Dual Tone Multi-Frequency (DTMF) signalling”. It is published in 17 releases (R99 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies how Dual Tone Multi-Frequency (DTMF) signals are supported across 3GPP networks, including air interface messaging, tone generation, and multimedia call integration.
Releases and versions of TS 23.014
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | 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 | 5.1.0 | Read · Download (3GPP) |
| Rel-4 | 4.1.0 | Read · Download (3GPP) |
| R99 | 3.2.0 | Read · Download (3GPP) |
Scope of TS 23.014
Category: Services (Supplementary Services). Technology generation: Multi-Gen. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 23.014
- TS 45.002 GSM/EDGE Radio Physical Layer Specification
Specifications that reference TS 23.014
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 26.114 IMS Multimedia Telephony Client
- TS 23.205 Bearer Independent CS Core Network Stage 2
- TS 29.163 Interworking between 3GPP IM CN and CS networks
- TS 29.232 Mc Interface Protocol Profile
- TS 23.231 SIP-I based CS core network stage 2
- TS 32.407 PM; CN CS Domain; UMTS/GSM measurements
- TS 29.235 SIP-I CS Core Network Interworking
Other specifications in the 23 series
- TS 23.009 Handover Procedures in PLMNs
- TS 23.010 GSM PLMN Connection Types
- TS 23.011 Supplementary Services Technical Realization
- TS 23.012 Circuit Switched Location Management Procedures
- TS 23.015 Technical realization of Operator Determined Barring
- TS 23.016 Subscriber Data Management Stage 2
- TS 23.018 Basic call handling in 3GPP CS domain
- TS 23.022 GSM Idle Mode Procedures
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 23.014?
3GPP TS 23.014 is the 3GPP Technical Specification for DTMF Support in 3GPP Systems. Specifies how Dual Tone Multi-Frequency (DTMF) signals are supported across 3GPP networks, including air interface messaging, tone generation, and multimedia call integration.
Which 3GPP releases include TS 23.014?
TS 23.014 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 23.014 belong to?
TS 23.014 belongs to the Services (Supplementary Services) category of 3GPP specifications. It applies to Multi-Gen networks.
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