You can configure the Channel ID so that the remote control affects only one Polycom HDX system, even if there are other systems in the same room

To configure the channel ID for a Polycom HDX system and remote control:

1. Go to Admin Settings > General Settings > System Settings > Remote Control.
2. Set the Channel ID.
3. While blocking the IR signal on the remote control, press and hold the Option button for 5 seconds
4. Press once to Set ID.
5. Press the right arrow to change the setting.
6. Press or to select the channel ID that you configured on the system.
7. Press to select the new setting.