Indicates whether the line suppots voice functions.
This property shows if the line supports voice functions, such as playing wave files and speaking text.
Line devices that do not support voice cannot be opened in voice mode.
If you try to open such line in automated voice mode using Open(Boolean, TapiCallHandler, TapiMediaMode), AddTapi.NET will throw TapiException.
Assembly: Traysoft.AddTapi (Module: Traysoft.AddTapi)