The Cisco IP Phone 8845 can help you increase personal productivity with powerful and easy-to-use user interfaces. It combines an attractive new ergonomic design with 720p HD video and wideband audio for crystal clear video and voice communication and "always on" reliability. The 8845 encrypts video and voice communications for security and provides access to a comprehensive suite of unified communications capabilities. In addition, Cisco Intelligent Proximity brings the worlds of desk and mobile phone together for you when you use your mobile device at your desk for your work. You can move the audio path to the 8845 for active mobile calls to take advantage of excellent audio acoustics. An example would be sharing a conversation with a colleague who listens. This feature gives you more flexibility when you are at your desk. The Cisco IP Phone 8845 offers five programmable line keys. You can configure keys to support either multiple directory numbers or call functions such as speed dialing. You can also increase productivity by editing multiple calls for each number using the Multiple Line per Line feature. Fixed function keys give you one-touch access to applications, messaging, directory, and frequently used call functions such as Hold / Resume, Forward, and Conference. Backlit acoustic buttons provide flexibility for selecting and switching audio paths.