DVX IPPBX
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After the process has competed the system will notify you that “Trace Complete” and you can
view which routes the packets have taken before reaching their final destination.
8.5.3 TCPDUMP
TCPDUMP is a common pocket analyzer allows users to capture TCP/IP and other packets being
transmitted or received over a network to which the DVX IPPBX is attached. The captured packets
can be downloaded from the IPPBX system and been analyzed on your Windows PC to display the
SIP traffic details. It can be used to debug a VoIP call problem.
On
System->Troubleshooting->TCPDUMP
page you can do a capture on one of the DVX IPPBX
Ethernet interface.
Select an interface and specify the duration of this capture then click on “Start”, the process will
begin and now you can make a call to recur the problem.
Once time is up the captured packets will be displayed in the “List of Files” section. You can
download it to analyze the SIP packets for troubleshooting purpose.