Courtroom Setup for Hybrid Hearings
with the Virtual Courtroom



The Liberty Virtual Courtroom facility is an optional component of the Liberty Court Recorder.
Courts may purchase a subscription for this component from their Liberty dealer.

A court subscribing to this service can create temporary links and Phone Codes that provide restricted courtroom access for remote participants that use the Internet to connect to the courtroom.

Courtroom Setup

Prior to scheduling a remote hearings, Courts must take the following steps.

The diagram below provides an overview of the required setup.

Liberty Virtual Courtroom Diagram

The courtroom must have a voice uplift system, commonly referred to as a DSP, and courtroom speakers to allow remote participants to be heard in the courtroom. The DSP must send the audio from the courtroom microphones to the recording computer and it must have echo cancelling features to eliminate echo and feedback. Courtroom cameras can be used to send video to the remote participants.

Recommended Courtroom Setup

For virtual courtroom operations, we recommend the following setup:

  • A recording computer with at least an Intel i5 processor with 4 processing cores and a speed of at least 2.4GHz or faster and 8GB of internal memory.
  • An Internet connection with a speed of at least 15Mbps both up and down.
  • The recording computer must have a second video output port, preferably HDMI, which connects to a large screen monitor. This will allow persons in the courtroom to see the remote participants.
  • An available port on the firewall where the Recorder can initiate UDP traffic from the courtroom. The default UDP port used is Port 3479.
  • A telephone line that is directed at the conference server on the Internet to facilitate telephone calls into the virtual court.

Implement a Voice Uplift (DSP) System

Courts must use an echo cancelling voice uplift system, commonly refered to as a DSP. Scroll down on this page to the section entitled Supported Audio Recording DSPs for a list of DSPs widely used with the virtual court.

Configure the Recorder Application

In the Recorder options, use the Remote Conferencing tab to specify the following:

  • The server name of the Conference Server along with an appropriate username and password.
  • Whether the remote participants will receive video from the courtroom.
  • The audio output playback channel.

An example of the configuration is shown below.

Remote Conference settings in the Recorder.

Provide Courtroom Cameras

The Virtual Courtroom facility can send video from the courtroom to remote participants. We strongly recommend the use of Axis brand IP cameras for capturing video in the courtroom.


Provide and connect a telephone line to be used by the conference system.

The Virtual Courtroom facility can support remote participants using old-style dial telephones connecting to the conference.
Court IT staff must discuss providing and connecting such a telephone line with their local supplier.



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