- Interference-free telephony - 100+ hours standby time - SIP RFC 3261 Compliant - Media Encryption (SRTP) - Encrypted SIP signaling (TLS/SIPS) - Caller Picture - Address Book (Direct export from Outlook as VCARD .vcf) - Address Book lookup for incoming calls - LDAP - Dial plans - DECT Intercom - Auto Connect - Speed Dialing - Mailbox (VM) - Call Hold - Call Transfer (Blind Transfer) - Call Waiting Indication - Call Bridge (Attended Transfer) - 3-Party Conferencing - Call Forwarding - Do not Disturb - CLIP/CLIR - RSS Feed Reader (XML based Internet content) - Native Microsoft Lync 2010 Support - Microsoft Lync Presence - Action URLs - Simultaneous Ringing - STUN Support - IPv6 - IEEE 802.1X - Auto Configuration and FW Update