* Secure boot * Securecredential storage * Device authentication * Configuration file authentication and encryption * Image authentication * Random bit generation * Hardware cryptographic acceleration
Audio Features:
* Audio codec support * Audio path moving sends audio through the IP Phone 8861 for a mobile device-connected call.
Network Features:
* Session Initiation Protocol (SIP) for signaling * Session Description Protocol (SDP) * IPv4 and IPv6 * User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams) * Dynamic Host Configuration Protocol (DHCP) client or static configuration * Gratuitous Address Resolution Protocol (GARP) * Domain Name System (DNS) * Trivial File Transfer Protocol (TFTP) * Secure Hypertext Transfer Protocol (HTTPS) * VLAN * Real-Time Transport Protocol (RTP)
Voice Features:
* Visual voice mail * Voice mail
Operating Temperature:
0 to 40 °C
Other Features:
* Call history lists * Call park * Call pickup * Caller ID * Corporate directory * Conference, including traditional Join feature * Cross Cluster Extension Mobility (EMCC) * Direct transfer * Extension mobility