Displaying statistics for a call

The audio codec in use, along with the current packet size (in milliseconds) if known.

If the IP gateway has received information that an endpoint has been muted at the far end, this will be indicated here.

The IP address and port from which the media is originating.

Whether or not encryption is being used on the audio receive stream by this endpoint.

This field will only appear if the encryption feature key is present on the IP gateway.

The apparent variation in arrival time from that 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.

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.

Represents the audio volume originating from the endpoint.

The number of audio packets destined for the IP gateway from this endpoint.

The number of packet errors, including sequence 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.

Frame errors, as A/B where A is the number of 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.

You should expect to see small values for this setting. Consistently large numbers typically imply potential network problems.

If the time stamps or marker bits (or both) are detected to be unreliable in the incoming video stream, information will be displayed here.

This field is not displayed when there is no problem with the time stamps and marker bits. Where there is a problem the following text is displayed: "Media timestamps unreliable", "Media marker bits unreliable", or both if both conditions detected.

The audio codec being sent from the IP gateway to the endpoint, along with the chosen packet size in milliseconds.

The IP address and port to which the media is being sent.

Whether or not encryption is being used on the audio transmit stream by this endpoint.

This field will only appear if the encryption key is present on the IP gateway.

A count of the number of packets that have been sent from the IP gateway to the endpoint.

The type of codec in use.

The IP address and port (<IP address>:<port>) of the device from which video is being sent

Whether or not encryption is being used on the video receive stream from this endpoint.

This field will only appear if the encryption key is present on the IP gateway.

The negotiated bit rate available for the endpoint to send video in.

This value represents the maximum amount of video traffic that the remote endpoint will send to the IP gateway. It may send less data than this (if it does not need to use the full channel bit rate or the IP gateway has requested a lower rate), but it should not send more.

The bit rate (in bits per second) that the IP gateway has requested that the remote endpoint sends. The most-recently measured actual bit rate displays in parentheses.

This value might be less than the Channel bit rate for example, if the IP gateway detects that the network path to the remote endpoint has insufficient capacity to maintain a higher traffic rate.

If the receive bit rate has been limited to below the maximum channel bit rate, the reason for this limitation can be seen by moving over the icon.

Represents the variation in video packet at arrival time at the IP gateway.

The number of video packets destined for the IP gateway from this endpoint

Video packet-level errors such as sequence discontinuities, incorrect RTP details, and so on. This is not the same as packets where the content (the actual video data) is somehow in error.

This value does not represent packets in which the actual video data in the packets is in error.

The frame rate of the video stream currently being received from the endpoint.

The number of frames with errors versus the total number of video frames received.

The codec, size and type of video being sent from the IP gateway to the endpoint.

The IP address and port of the device to which the IP gateway is sending video.

Whether or not encryption is being used on the video transmit stream to this endpoint.

This field will only appear if the encryption key is present on the IP gateway.

The negotiated available bandwidth for the IP gateway to send video to the endpoint in.

The bit rate the IP gateway is attempting to send at this moment, which may be less than the channel bit rate which is an effective maximum. The actual bit rate, which is simply the measured rate of video data leaving the IP gateway, displays in parentheses.

The Transmit bit rate value might be less than the Channel bit rate if the remote endpoint receiving the video stream from the IP gateway has sent flow control commands to reduce the bit rate.

If the transmit bit rate has been limited to below the maximum channel bit rate, the reason for this limitation can be seen by moving over the icon.

The number of video packets sent from the IP gateway to this endpoint.

The frame rate of the video stream currently being sent to the endpoint.

The IP address and port to which RTCP (Real Time Control Protocol) packets are being received for the audio and video streams

A count of the number of "receiver report" type RTCP packets seen by the IP gateway.

A single RTCP packet may contain more than one report of more than one type. These are generally sent by any device receiving RTP (Real Time Protocol) media from the network and are used for auditing bandwidth, errors, and so on by the IP gateway.

Media packet loss reported by receiver reports sent to the IP gateway by the far end.

A count of the number of "sender report" type RTCP packets received by the IP gateway.

These are typically sent by any device that is sending RTP media.

A count of the number of reports seen by the IP gateway that are neither sender nor receiver reports.

The IP address and port to which the IP gateway is sending RTCP packets about this stream.

The number of packets sent.

The IP address and port to which RTCP (Real Time Control Protocol) packets are being sent for the audio and video streams.

A count of the number of "receiver report" type RTCP packets seen by the IP gateway.

A single RTCP packet may contain more than one report of more than one type. These are generally sent by any device receiving RTP (Real Time Protocol) media from the network and are used for auditing bandwidth, errors, and so on by the IP gateway.

A count of the reported packet loss on the control channel.

A count of the number of "sender report" type RTCP packets sent by the IP gateway.

These are typically sent by any device that is sending RTP media.

A count of the number of reports seen by the IP gateway that are neither sender nor receiver reports.

The IP address and port to which the IP gateway is sending RTCP packets about this stream.

The number of packets sent.

The number of fast update requests sent and received.

The number of flow control messages sent and received.