This graphic shows the Budget Selector window populated with service types (CallNotification, DeviceCapabilities, TerminalLocation, and ThirdPartyCall) and their service interfaces (com.bea.wlcp.wlng.px21.callback.CallDirectionCallback, com.bea.wlcp.wlng.px21.callback.CallNotificationCallback, com.bea.wlcp.wlng.px21.plugin.CallDirectionManagerPlugin, and com.bea.wlcp.wlng.px21.plugin.CallNotificationiManagerPlugin) to choose from.