This is an executable that enables the TAD out in the WDM driver. This ensures proper functionality of telephony applications. It also changes the microphone path for telephony applications. This enables the customer to use the BVRP software without having to un-mute the microphone channel in the Santa Cruz Control Panel playback mixer.
Dell recommends the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.