* Certificates * Image authentication * Device authentication * File authentication * Signaling authentication * Media encryption using Secure Real-Time Transfer Protocol (SRTP) * Signaling encryption using Transport Layer Security (TLS) Protocol * Encrypted configuration files
Audio Features:
A volume-control toggle makes volume adjustments easy for the handset, monitor speaker, and ringer.
Network Features:
* Cisco Discovery Protocol and Link Layer Discovery Protocol for Media Endpoint Devices (LLDP-MED) * Dynamic network parameters provisioned through Dynamic Host Configuration Protocol (DHCP) * Static network parameters provisioned through Embedded interactive-voice-response (IVR) system
Voice Features:
Comfort-noise generation and voice-activity-detection (VAD) programming is supported on a system basis
Operating Temperature:
- 5 to 40 °C
Packaged Quantity:
1
Other Features:
Memory: 8-MB flash memory; 32-MB synchronous dynamic RAM (SDRAM) * With a trimline, low-profile design, the phone can also be wall-mounted. * The phone offers easy-to-use and intuitive arrangement of lines, keys, and calls. * Hold and Redial options on fixed hard keys provide a traditional telephony-like user experience