Capture Network Packet

This topic describes how to capture network packets of your PBX.

Background information

Ethernet Capture Tool may be required to capture packets in the following situations:
  • Extension registration failure.
  • No audio or one-way audio during a call.
  • Occasional VoIP interconnection failure.


  1. Log in to PBX web portal, go to Maintenance > Troubleshooting > Ethernet Capture Tool.
  2. Click Start.

    The PBX starts to capture the Ethernet packet. During the time period, you should reproduce the problem of your VoIP trunks or extensions.

  3. Click Stop to stop capturing.

    The packets are intercepted and saved on PBX's local flash.

  4. Click Download to download the captured packet.

What to do next

Decompress the .tar file and use Wireshark software to open the packet file.