EXFO EXpert VoIP Test Tools User Manual
Page 69
Test Results
EXpert IP
63
Call Quality Details
Out-of-Order Packets is the number of RTP packets that were
received out of order. This value is calculated using the jitter buffer
length input parameter value.
Duplicate Packets is the number of duplicate packets received and
dropped by the local endpoint.
No. of Loss Periods is the count for the number of periods of lost RTP
packets. One period of lost packets equals one or more consecutive
packets that were lost during the transmission of the packet stream.
Loss Period Size (Min) is the size of the smallest period of lost RTP
packets. For example, if three periods of loss packets were detected,
the first with 3 packets, the second with 5 packets, and the third with 1
packet, this result would return 1.
Loss Period Size (Max) is the size of the largest period of lost RTP
packets. For example, if three periods of loss packets were detected,
the first with 3 packets, the second with 5 packets, and the third with 1
packet, this result would return 5.
Loss Period Size (Avg) is the average size of periods of lost RTP
packets. For example, if three periods of loss packets were detected,
the first with 3 packets, the second with 5 packets, and the third with 1
packet, this result would return 3.
Loss Type is the type of packet loss (random or burst) that occurred in
the media stream to the Callee. “None” is displayed, when there are no
lost packets.