TANDBERG 2200 Manuel D’Utilisation
49
Viewing a connected endpoint's media statistics
You may view statistics about the video and audio streams to and from the IP VCR while making and watching
recordings. The statistics are not available for streaming playback connections. To view the connection statistics:
recordings. The statistics are not available for streaming playback connections. To view the connection statistics:
1. Go to
Connections
.
2. Click a connection name to display the connection status page.
3. Click the
3. Click the
Statistics
tab.
4. Select which endpoint's display you wish to view (point-to-point recordings only).
Media statistics
Media statistics provide detailed information about the actual voice and video streams (Realtime Transport Protocol
(RTP) packets).
(RTP) packets).
Refer to the table below for additional information.
Field
Field description
Usage tips
Audio
Receive stream
The audio codec in use, along with the current
packet size (in milliseconds) if known.
packet size (in milliseconds) if known.
If the IP VCR has received information that an
endpoint has been muted at the far end, this will
be indicated here.
endpoint has been muted at the far end, this will
be indicated here.
Receive address
The IP address and port from which the media is
originating.
originating.
Encryption
Whether or not encryption is being used on the
audio receive stream by this endpoint.
audio receive stream by this endpoint.
This field will only appear if the encryption
feature key is present on the IP VCR.
feature key is present on the IP VCR.
Received jitter
The apparent variation in arrival time from that
expected for the media packets (in milliseconds).
The current jitter buffer also displays in
parentheses.
expected for the media packets (in milliseconds).
The current jitter buffer also displays in
parentheses.
You should expect to see small values for this
setting. Consistently large numbers typically
imply potential network problems.
setting. Consistently large numbers typically
imply potential network problems.
The jitter buffer shows the current playout delay
added to the media to accommodate the packet
arrival jitter. Large jitter values indicate a longer
buffer.
added to the media to accommodate the packet
arrival jitter. Large jitter values indicate a longer
buffer.
Received energy
Represents the audio volume originating from the
endpoint.
endpoint.
Packets received
The number of audio packets destined for the IP
VCR from this endpoint.
VCR from this endpoint.
Packet errors
The number of packet errors, including sequence
errors, and packets of the wrong type.
errors, and packets of the wrong type.
You should expect to see small values for this
setting. Consistently large numbers typically
imply potential network problems.
setting. Consistently large numbers typically
imply potential network problems.
Frame errors
Frame errors, as A/B where A is the number of
frame errors, and B is the total number of frames
received.
frame errors, and B is the total number of frames
received.
A frame is a unit of audio, the size of which is
dependent on codec.
dependent on codec.
You should expect to see small values for this
setting. Consistently large numbers typically
setting. Consistently large numbers typically