Avaya VoIP Monitoring Manager Release 3.1 Configuration Manuel d'utilisateur télécharger pdf (Page 38)

Child Endpoint

38 Avaya VoIP Monitoring Manager Release 3.1 Configuration

● Gateway Board gwp@<IP address>

● Gateway Box gwt@<IP address>

Child Endpoint The terms parent and child endpoints are purely for describing the way

endpoints are displayed in the Results List. A parent is like the branch in a tree

view. A child is like a leaf in a tree view. The same endpoint can be shown as

both a parent and a child.

You click on the expanding icon positioned in the far left column of the Results

List to expand the tree to display a sub list with the child endpoints. A child

endpoint represents a session between itself and its parent. This is different

from a parent endpoint that just represents a physical endpoint.

Codec A Codec is an encoder/decoder. In the context of RTP, it is the type of

encoding used for the payload of the RTP packets exchanged as part of a

conversation. For example, some RTP Codecs are G.723, G.711 aLaw and

G.729. Session Properties shows which Codec is in use.

RTP does not distinguish between different types of payload (such as g729A,

g729B, and so on). The value reported by VoIP Monitoring Manager is the

sum of all types of g729 data received.

DiffServ Code Point The DiffServ Code Point (DSCP) metric represents the value of the IP DSCP

field of the incoming RTP packets. The DSCP metric is a number in the range

0-63. This value is sent for the first RTP packet received, and resent when the

DSCP value has changed from the previously reported value.

Echo Tail Length The echo tail length metric represents the length of echo cancellation

processing determined by the distance between the gateway and the

endpoint. The echo tail length metric is represented in milliseconds and can

have typical value ranging from 8ms to 32ms. The default value is 16ms.

EndTime The EndTime column in the exported file displays the date and time the

session ended. This column appears in the Session Table of the exported file.

Framesize Frame size is the logical units into which data is partitioned for processing. In

the case of a voice coder/decoder (codec) this is the time sliced blocks used

by the codec algorithm. For example, the G.729 codec breaks the input audio

signal into 10ms blocks for encoding purposes; therefore if the RTP packet

payload is in 30ms blocks then there are 3 frames per packet.

VoIP Monitoring Manager displays the framesize in the Session Properties tab

of the report dialog.

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Avaya VoIP Monitoring Manager Release 3.1 Configuration Manuel d'utilisateur Page 38