Business IP Phone Features: Communication Assistant Software: Built into phone, it allows users to quickly and easily access unified communications Large, colorful touch screen interface Graphical user interface (GUI) Calls screen shows currently connected calls Camera screen allows users to view a network camera, such as Panasonic's KX-HCM or BL-C series Do Not Disturb feature blocks all incoming calls, giving more privacy Navigate the internet using the touch screen Call log provides a list of incoming, outgoing, and missed calls Send and receive text messages using the chat screen 48 self labeling programmable soft keys for easy call handling Large, easily accessible navigation key allows for fast, one-touch access to mulitple phones system functions Built-in headset jack This Business IP Telephone can be powered by Power over Ethernet (PoE) or with the optional AC Adapter (KX-A420) Stylus Pen: Included SD Slot Supports Panasonic SD Card (32 MB to 2 GB Dimensions: 6.25" H x 11.0" W x 6.25" D