Rec. ITU-T G.1028.2 (06/2019) - Assessment of the LTE circuit switched fall back – Impact on voice quality of service
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 Overview of CSFB
7 KPIs for circuit switched fallback
     7.1 CSFB call setup failure ratio
     7.2 CSFB call set-up time
     7.3 CSFB return to 4G/LTE time
     7.4 CSFB return to 4G/LTE failure ratio
     7.5 Quality targets
8 Assessment methodology for CSFB
     8.1 Passive monitoring
     8.2 Active monitoring
     8.3 Drive testing
     8.4 Trace files/other network related information
9 Impact on QoS
Bibliography