* 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:
* Full duplex speakerphone : Full-duplex speakerphone allows gives you flexibility in placing and receiving calls. * Volume control : A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer.
Operating Temperature:
0 to 40 °C
Other Features:
* IEEE PoE class1 : The phone supports IEEE 802.3af PoE (Class 1), power consumption does not exceed 3.84 watts. * Key call features support : + Dialing (E.164), Adjustable ringing and volume levels, Adjustable display contrast, Auto-answer, Auto-detection of headset, Call forward, Call history, Call timer, Call waiting, Caller ID, cBarge, Corporate directory, Conference, Dial from the list, Direct transfer, Do not disturb, Hold/resume, Immediate divert, Join, Message-waiting indicator, Music on hold, Mute, Network profiles(automatic), On- and off-network distinctive ringing, Personal directory, Privacy, Ring tone per line appearance, Shared line, Silent monitoring and recording, Speed dial, Time and date display, Transfer, Voicemail.