If a client computer has more than one webcam and microphone, you can configure a preferred webcam and default microphone that Real-Time Audio-Video will redirect to the desktop. These devices can be built in or connected to the local client computer.
On a Windows client computer, you select a preferred webcam by setting a registry key value. On a Mac OS X client computer, you can specify a preferred webcam or microphone by using the Mac OS X defaults system. On a Linux client computer, you can specify a preferred webcam or microphone by editing a configuration file. Real-Time Audio-Video redirects the preferred webcam if it is available. If not, Real-Time Audio-Video uses the first webcam that is provided by system enumeration.
To select a default microphone, you can configure the Sound control in the Windows, Mac OS X, or Linux operating system on the client computer.