How to enable and capture a Pcap on Yealink devices

To access the web UI for your Yealink phone you will need to enter the IP address for the Yealink device in a web browser. The IP address can be found by pressing the OK button on the phone. The default login credentials for Yealink are admin/admin.

Once logged into the Yealink web UI select Settings > Configuration.

Set the Pcap Type to Advanced and press Start, you will be asked where on your local machine you would like the pcap to be saved.

You can now run tests. Once your tests are completed you can stop the pcap. The created pcap file can be examined in software such as Wireshark.