Here is another home security solution that lets you interact with your guests from your smartphone. The dbell HD Live video doorbell not only allows you to see who is at your door, it can display the footage on your TV. It has a 160-degree wide angle HD camera with mic and multiple sensors.
The dbell HD Live comes with motion and audio sensors in addition to night vision, allowing you to monitor the action day and night. It can record to your NVR or cloud. Expected to ship in May.[Source]