S Y S T E M M A I N T E N A N C E A N D S O F T W A R E U P D A T E
C H A P T E R 7
121
ECOTEL 3G 16.1. Revised: 1 March 2011.
The following output shows the jitter buffer status:
a[<controller>]: <VoIPcodecChipType> ch <ch> rtcp<dir> <num> ji <ji> rt <rt> fl <fl> in <byte> out <byte>
Table 7.27
RTCP Packet Statistics
Trace Output
Description
<ch>
The internal media channel used.
rtcp<dir>
R sender report (received) is more interesting, since it comes from the peer. T sender re-
port (transmitted).
<num>
0
ReceiverReport packet
1
SenderReport packet
2
Packet requested by the driver
<ji>
Delay jitter [msec].
<rt>
Round-trip local<->remote, round-trip delay [msec].
<fl>
Fraction lost: Fraction of packets lost [8lsb].
<cl>
Cumulative lost: number of lost packets [24lsb].
a[<controller>]: <VoIPcodecChipType> ch <ch> jitter buffer n1 n2 n3n4 n5 n6 n7 n8
Table 7.28
Jitter Buffer Status
Trace Output
Description
n1
SteadyStateDelay in milliseconds
n2
NumberOfVoiceUnderrun
n3
NumberOfVoiceOverrun
n4
NumberOfVoiceDecoderBfi (bfi = bad frame interpolation)
n5
NumberOfVoicePacketsDropped
n6
NumberOfVoiceNetPacketsLost
n7
NumberOfIbsOverrun (ibs = in band signaling)
