1
Scope
2 References
3 Definitions
4 Abbreviations
5 Source
terminal packet parameters
5.1 Analogue/digital
conversion clock accuracy (free-running)
5.2 Packet
information field size
5.3 Packet overhead
5.4 Source
terminal delay
5.5 Source
terminal delay variation
6 Packet
network performance parameters
6.1 Summary
of network performance parameters
6.2 Additional
network parameters recommended
7 Destination
terminal packet parameters
7.1 Discussion
of destination packet processing
7.2 Taxonomy
of de-jitter buffer types/parameters and models
7.3 System
frequency offset, using destination clock as reference
7.4 Packet
loss concealment (type, delay)
8 Overall
performance
parameters
8.1 Overall
delay (including source, network and destination)
8.2 End
System Delay
8.3 Round
Trip Delay
8.4 Time-scale
discontinuities in post-de-jitter and PLC stream
8.5 Overall
(frame/packet) loss (including network and destination)
Annex A – VoIP gateway-specific reference points and
performance parameters
A.1
Introduction
A.2 Definitions
A.3 Source
gateway parameters
A.4 Destination
gateway parameters
A.5 Overall
delay
Annex B – Packet loss distributions and packet loss
models
B.1 Introduction
B.2 Common
packet loss models
B.3 Example
packet trace
B.4 Bibliography
to Annex B
Annex C – Example adaptive de-jitter buffer emulator
C.1 Introduction
C.2 Parameter
definitions
C.3 De-jitter
buffer emulation
Appendix I – List of RTCP XR metrics
BIBLIOGRAPHY