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Screen Item Description
VoIP Playout Statistics
Playout Buffer Size
Displays how much audio can be received from the network before packets are lost. This is four
times bigger than configured packet size. This is a static system setting.
Nominal Playout
Delay
Displays how much audio is collected before playout begins. Playout begins at half the Playout
Buffer size, which is two times the configured packet size. This is a static system setting.
Average Playout
Delay
Displays the actual average audio collected before packets are played out. This is measured over
the length of the connection.
Voice Playout Buffer
Underrun
Displays the number of packet times that packets were not played because the Playout Buffer was
empty.
NOTE: If VAD is enabled, there will be playout buffer runs because there are no packets
being received during silence.
Voice Playout Buffer
Overrun
Displays the number of packets that were discarded because the Playout Buffer was full.
Missing Sequence
Packet
Displays how many audio packets were missed in the sequence.
Replayed Packets Displays how many audio packets were replayed.
Average Frame Jitter Displays the measure of consistency of packet arrival times. Lower jitter is better.
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