* Image authentication * Device authentication * File authentication * Signaling authentication * Media encryption using Secure Real-Time Transfer Protocol (SRTP) using AES-128 * Signaling encryption using Transport Layer Security (TLS) Protocol using AES-128 or AES-256 * Encrypted configuration files * 802.1X authentication * Cryptography
Audio Features:
* Volume-control toggle provides easy decibel-level adjustments of the handset * Full-duplex speakerphone
Other Features:
* The phone identifies incoming messages and categorizes them for users on the screen. This makes it fast and easy to return calls using direct dial-back capability * Wall-mountable