TS 122 053 : 13.0.0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); TANDEM FREE OPERATION (TFO); SERVICE DESCRIPTION; STAGE 1 (3GPP TS 22.053 VERSION 14.0.0 RELEASE 14)
Hardcopy , PDF
20-08-2020
English
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Intellectual Property Rights
Foreword
Modal verbs terminology
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 Description
5 Interaction with supplementary services
6 Interaction with Alternate and Followed
by services
7 Interaction with other speech services
8 Interaction with DTMF
9 Interaction with Lawful Intercept
Annex A (informative) - Limitations of initial
in-band TFO implementations
Annex B (informative) - Change history
History
Describes the stage 1 description for the Tandem Free Operation (TFO) feature which provides the capability to avoid tandeming speech codecs in mobile to mobile speech calls.
| Committee |
3GPP SA 4
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Superseded
|
| ETSI GSM 01.04 : 050000 | EUROPEAN DIGITAL CELLULAR TELECOMMUNICATION SYSTEM (PHASE 2); DEFINITIONS, ABBREVIATIONS AND ACRONYMS |
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