I have the following setup:

PBX Server -> Internet -> LAN -> IP Phone -> Workstation (PC)

Which means that my computer is connected to the LAN, through a Dual Ethernet card on the IP Phone.

I would like to analyze traffic between my IP Phone and the LAN during it's normal operations (incoming / outgoing calls, text messages, web interface actions...) which are all handled by communication with the PBX.

The answer I look for would:

  • Be as much to the right part of the above chain as possible. Directly dumping from my workstation would be the most prefered if there's a way, dumping from the PBX server the least,
  • Optionally provide extensibility for traffic injection.

I have full physical and administrative control over the entire setup, so putting a server somewhere in between is an option.

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