Avaya VoIP Monitoring Manager Reference Release 3.1 Manual de usuario descargar pdf (Pagina 97)

Avaya VoIP Monitoring Manager Reference

Session Table: The Session table is the exported table containing data that generally remains

the same during a session. As a result, there is one entry per session in this table. The

Session table will display in Microsoft Excel at the top of the same worksheet as the

Time-varying Data table and the Trace Route table. The data in the Session table is

indexed by SessionID and ParticipantID.

SessionID: The SessionID column assigns a unique identifier to each session in the exported

file. Each exported session contains three sets of data. This data is listed in three

separate tables that are separated by a blank row: Session Table, TimeStamped

DataTable and the TraceRoute Table. Use the SessionID to identify the session in each

table to analyze the data.

Silence Suppression: In Voice over IP (VoIP), silence suppression is a method of detecting the

silence in audio and purposefully dropping silent packets at the sender to conserve

network bandwidth. The receiver will generate comfort noise or conceal the loss of

packets when packets are dropped. Because the receiver conceals loss and generates

comfort noise, silence suppression is usually imperceptible to the listener. The silence

suppression will be reported as enabled, disabled or unknown.

Simple Network Management Protocol: SNMP is a standard protocol for communicating with

network devices.

SNMP: Refer to Simple Network Management Protocol.

StartTime: The StartTime column in the exported file displays the date and time the session

started. This column appears in the Session Table of the exported file.

Time-To-Live: Time-to-live (TTL) is a value in an Internet Protocol (IP) packet that tells a

network router if a packet has been forwarded towards its destination too many times and

should be discarded.

Time-varying Data Table: The Time-varying Data table is one of the exported tables containing

the time-varying data for the sessions in the Session table. The data in this table is

indexed by SessionID, ParticipantID, and a time offset. The SessionID and ParticipantID

enable the data to be linked to corresponding sessions in the Session table. The time

offset indicates when this set of information was reported (in seconds since the start of

each call). The Time-varying Data table will display in Microsoft Excel below the Session

table on the same worksheet. To view the information more easily, you may want to copy

the table and paste it to another worksheet.

TimeOffset: The TimeOffset column displays the number of seconds since the session started

for this set of data. This column appears in the Time-varying Data Table of the exported

file.

TOOL: The TOOL value is the name and version of the application generating the stream, for

example, Avaya VoIP Engine v.123. This information may be useful for diagnosis. The

TOOL value should remain constant for the duration of the session.

Trace Route Table: The Trace Route table contains information about the route in the network

that the RTP packets traverse between the two endpoints of the call. It will display in

Microsoft Excel below the Time-varying Data table.

Trap: Refer to Alarm

TTL: Refer to Time-To-Live.

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Avaya VoIP Monitoring Manager Reference Release 3.1 Manual de usuario Pagina 97

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