Exfo VDSL2 Manual do Utilizador descarregar pdf (Página 105)

Running a VoIP Test

VDSL2, ADSL2+, and IP Triple-Play Test Set 99

Reading Results

Call History

The Call History tab allows you to

view the detailed call flow of the

detected voice protocol. SIP (Session

Initiation Protocol) is a signalling

protocol used for establishing sessions

in an IP network.

The Clear History button clears all

information displayed.

Packets Analysis

The Pcks Analysis tab allows you to view the PASS/FAIL status of the

percentage of packets of varying inter-arrival rates that are within

milliseconds of each other.

The available test results are the

following:

³ Codec is the VoIP coder/decoder

in use as detected by the unit.

³ Received Packets display the total

number of received VoIP packets.

³ Lost Packet is the total number of

lost VoIP packets that were never

received during the conversation.

³ Dupl/OOS Packet is the total number of duplicated (Dupl) or out of

sequence (OOS) packets.

³ Invalid Packet(%) represents a QoS reference factor of lost packets

detected during the VoIP conversation.

³ Reset Statistics button sets all monitoring values to 0.

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Exfo VDSL2 Manual do Utilizador Página 105