Skip to main content

Video Bridge Guide for Presenters and Guest Admins

A Video Bridge allows presenters to connect to an event and broadcast from different camera sources and locations. As a presenter, you will join the event from your computer and connect the video source that you'll use to speak to the audience. Often this is a webcam, but you can also broadcast and present from a video conferencing system, Skype for Business, or a telephone (where you're not on camera).

Use this guide to learn how to test your system and connect to the Video Bridge. This guide contains the following topics:

System Requirements

All presenters and venues must meet the following minimum system requirements:

  • Operating system - Windows 11, Windows 10, Windows 8.1+ Pro, macOS 10.14+
  • Processor - Intel Core i5 3.0GHz or equivalent
  • RAM - 4GB
  • Internet connection - A dedicated and hardwired high-speed connection of 1.5 Mbps+ (upload and download). We do not recommend using a Wi-Fi connection since it is prone to dips in bandwidth that can negatively impact your video connection.
  • Internet Browser - Chrome (latest version), Firefox (latest version), Microsoft Edge (latest version)
    Note: Firefox does not support screensharing.
  • Webcam - High quality or HD webcast (for example, Logitech C920)
  • Microphone - Headset microphone or webcam mic with built-in noise-cancelling
    Note: If you are using a microphone, use headphones or earbuds to prevent feedback from your computer speakers.

Before the event, presenters and venues must also:

  • Plug in their computers. Do not run an event on battery power.
  • Disconnect from the VPN.

Test your System Before the Event Starts

It's important that you make sure your system is compatible before the event begins to identify and resolve any issues. At least 48 hours before the event, join the Live Studio and run a diagnostic on your system with the network and equipment you plan to use on the day of the event. This checks the quality of your audio and video connections. 

You should have received an email with login details and a link to the Guest Admin or Guest Presenter Access site. The Guest Admin site includes a button that lets you enter the Live Studio.

To test your webcam and microphone: 

  1. Sign in to the Guest Admin site and click Live Presenter Studio.
  2. In the Live Studio, click Test your webcam


  3. Enter your name and click Next.


  4. Select the Microphone, Camera, and Audio Output sources you will use during the event. Confirm that the microphone volume level and webcam preview work properly. Click Test your speakers to make sure you can hear the event audio during the event.


  5. Click Join now and follow the guided connection test instructions.

    The test records a short clip of your audio and video and plays it back to you. Make sure the video plays clearly, without feedback or echo. If it does not record correctly, there could be a network connection issue. Check that you have a wired (LAN) connection to the internet and that it is active.

    If you have any issues, run the test again. If you continue to have issues, contact support or your event host.

Connect to the Video Bridge

To join the Video Bridge:

  1. Sign in to the Guest Admin site and click Live Presenter Studio.
  2. Click Join using my webcam.


  3. Enter your name and click Next


  4. Select the Microphone, Camera, and Audio Output sources you want to use for the broadcast using the available dropdowns. Confirm that webcam preview work properly and that your microphone audio is being registered on the microphone icon in the webcam preview window. Click Test your speakers to make sure you can hear the event audio during the event.


    If you are a technical assistant or moderator who will not speak or appear on camera, use the microphone icon or camera icon in the lower right of the video preview to mute your microphone or turn off your webcam.


  5. In the lower right of the video preview, click on the person icon to add a blurred or virtual background to your video stream.


  6. Click Join now.

    Note: The Video Bridge utilizes UDP/TCP RTP Media Traffic over ports 4000-5000 to connect a webcam. If a presenter’s connection to the Video Bridge is blocked by their network, the system will automatically failover to use TCP 443 (HTTPS).
    This failover is intended for presenters behind on a restricted network to ensure a connection can be made. However, TCP media is often subject to a noticeable delay and synchronization issues between audio and motion, as well as a delay on content share streams. It's always better to use a UDP/RTP connection whenever possible. For that reason, it is recommended that presenters disconnect from VPN before presenting. It is also recommended to test your system in advance to ensure there aren’t any issues connecting on the live event.

Connect to the Video Bridge using Another Source

If you are not able to connect to the Video Bridge, are experiencing issues with your audio/video stream on the Video Bridge due to a connection or network issue, or prefer to join from another source, the Video Bridge has additional connection options.

To join the Video Bridge:

  1. Sign in to the Guest Admin site and click Live Presenter Studio.
  2. Click Join another way.


  3. You will options to connect via Telephone, Skype for Business/Lync, or Video Conferencing Unit using H.323, SIP or a video Bridge Domain. Follow the instructions listed below to connect.

Navigate the Video Bridge

Live Studio Layout

Once connected to the Video Bridge, presenters will be able to see and communicate with other presenters on the Video Bridge. In addition to the Video Bridge, you may see tabs along the top of the Live Studio that provide access to Slides, Overlay Videos, Surveys and other content on your event. Please confirm with the Event Host your responsibilities during the presentation.


Once the event begins, you'll see "On Air" at the top of the window to confirm you are live to viewers. You can now speak, advance slides and use other controls for the event. 

Video Bridge Controls

At the bottom of the Video Bridge window, each presenter has buttons to control their connection:


  • Click on the microphone button to mute your audio.
  • Click on the camera icon to hide your camera from displaying to viewers. These local controls can be toggled on/off during the event as needed.
  • Click on the monitor icon to share your screen with viewers at any time during the event.
  • Click on the person icon to add a blurred or virtual background to your video stream.
  • Click on the hand icon to raise your hand if you'd like to notify the event moderator or other speakers of your desire to talk.
  • Click on the speaker icon to mute the audio from Video Bridge.

Note: If you do not see the option to share your screen, please make sure you are using a supported browser. Contact Support for additional help.


When sharing your screen, a pop-up window will appear allowing you to select what content you want to share. Select one of the tabs along the top: a Chrome Tab, Window (or application), or your Entire Screen.


Under the selected tab, choose one of the available options and click Share to make your screen share active to viewers.


Note: When sharing your Entire Screen or a Chrome Tab, use the "Also share system audio" toggle share your computer's audio along with your screen.

Once active, viewers will see the selected screen share application, a small window in the top right with the camera for the presenter sharing their screen, and a shared audio feed from the video bridge. Presenters should minimize their Live Studio and begin their screen share. Once complete, click Stop Sharing to end the screen share.