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Setting Up Wireshark
Install Wireshark on the device that is running your PBX or switch. This will give you the greatest visibility as you will be able to see communication between VI and your PBX as well as your PBX and your extensions.
Obtaining a Capture Windows:
Once you have Wireshark installed: ●
Open Wireshark
Select Capture > Options
Select the Interface you wish to capture on
Select Start
To stop select the Stop button
in the top left toolbar
Linux:
Instructions vary for capturing using Linux. You would type the following command in the CLI (without the tags):
tshark -i eth1 net 64.136.173.31 -w test.pcap
In this example, –i eth1 represents the interface you wish to capture on and host represents the IP address of the traffic you wish to capture.