TS 128 062 : 13.0.0

Superseded

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); INBAND TANDEM FREE OPERATION (TFO) OF SPEECH CODECS; SERVICE DESCRIPTION; STAGE 3 (3GPP TS 28.062 VERSION 14.0.0 RELEASE 14)

Available format(s)

Hardcopy , PDF

Superseded date

09-19-2020

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
Modal verbs terminology
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 General Description
5 TFO Frame Structure
6 Elementary Procedures for TFO Operation
7 TFO Messages
8 Time Alignment of TFO Frames and TFO Messages
9 TFO State Machine
10 Detailed Description of the TFO Protocol
11 TFO Decision Algorithm
12 Determination of the OACS for AMR-NB
Annex A (normative) - In-band Signalling Protocol:
        Generic Structure
Annex B (informative) - In Path Equipment: Generic Rules
        and Guidelines
Annex C (normative) - Tandem Free Operation in GSM,
        including AMR-WB
Annex D (normative) - Tandem Free Operation in 3G including
        AMR-WB
Annex E (normative) - TFO Decision Algorithm in C-Code
Annex F (informative) - Operator's Guide
Annex G (informative) - Call flows for AMR TFO
Annex H (normative) - Definition of the Generic Configuration
        Frames for TFO
Annex I (informative) - Change History
History

Provides the service description for the in-band signaling protocol for the support of Tandem Free Operation of the Half Rate, Full Rate, Enhanced Full Rate, Adaptive Multi Rate narrowband and Adaptive Multi Rate Wide-Band speech codec types in GSM and GSM-evolved 3G systems.