Troubleshoot and Monitor Analog Ports

If there is a problem on the FXO port, FXS port, or GSM/3G/4G channel, you can use the Port Monitor Tool to monitor the port, and download the packet to analyze it.


  1. Log in to PBX web portal, go to Maintenance > Troubleshooting > Port Monitor Tool.
  2. Choose the Port that has a problem.
  3. Click Start.

    The PBX will start to monitor the port. During this time, you should duplicate the problem of the port.

  4. Click Stop to stop monitoring.
  5. Click Download to download the file.

What to do next

Decompress the .tar file and use Audition software to open the .raw file and analyze it.