UCS 5.1.1 officially added a remote packet capture option to the phone in order to troubleshoot issue and provide wireshark traces if required.
<capture diags.pcap.enabled="1" diags.pcap.remote.enabled="1" />
Above Parameters activate the feature on the Phone.
The UCS 5.1.0 Admin Guide describes this on page 170 in the Remote Packet Capture for Logs section.
- To start using this feature please download Wireshark from => here <=
- Start Wireshark after the installation and select the Capture Interface Options

- Manage Interfaces => Remote Interfaces => Add

- IP Address of the phone
Port 2002
Username: Polycom
Password: MAC Address of the phone in lower case and no colon ( : )

- Once OK is pressed the interface should show up

- Leave this menu via cancel
- You are then able to select this new Interface

- If an error message in regards the Buffer appears please click on OK
