* Compatible with the Kensington Security Slot (K-Slot) antitheft system. * Device authentication * Hardware cryptographic acceleration * Secure Sockets Later (SSL)-based VPN client * Media authentication and encryption using SRTP Hardware cryptographic acceleration
Network Features:
* Session Initiation Protocol (SIP) for signaling * Session Description Protocol (SDP) * IPv4 and IPv6 * Gratuitous Address Resolution Protocol (GARP) * Real-Time Transport Protocol (RTP) * Domain Name System (DNS) * Switch speed auto-negotiation * Cisco Peer-to-Peer Distribution Protocol (PPDP)
Voice Features:
* Visual voice mail and Voice mail
Operating Temperature:
0 to 40 °C
Other Features:
* Easy-to-use interface and provides a traditional telephony-like user experience * Provides scrollable access to calling features and text-based XML applications * Dual-position foot stand * Call-Control Support * Wall-mountable and Key expansion module support