Full-duplex speakerphone with AEC (echo cancellation)
VAD (voice activity detection), CNG (comfort noise generator), AEC (echo cancellation), PLC (marking of packet loss with media data), AJB (adaptive buffer for voice packets), AGC (automatic microphone sensitivity adjustment)
Notebooks
Local address book of up to 1000 contacts
Blacklist
Remote XML, LDAP Address Book
Intelligent search
Search through notebooks, import/export of a local notebook
Call history: Dialed/received/missed/forwarded
Integration with IP PBX
Anonymous call, rejection of anonymous calls
Hot-desking, emergency call, intercom, paging, music on hold, reminder
MWI, Reminder, Conversation recording
Voicemail, Call parking, Call capture
Management
Phone setup: Web interface/Phone screen/Autoprovision
FTP/TFTP/HTTP/HTTPS/PnP Autoprovision
Zero-sp-touch, TR069
Keyboard Lock
Reset to default settings, reboot
Logs: PCAP Trace, system log
Network characteristics and security
SIPv1 (RFC2543), SIPv2 (RFC3261)
NAT, STUN
Methods of calling: Proxy and peer-to-peer (by IP address)
Getting IP: Static/DHCP
HTTP/HTTPS server
Time and date synchronization via SNTP
UDP/TCP/DNS-SRV (RFC3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
TLS support
Managing HTTPS certificates
AES encryption of configuration files
Support for encryption and identification standards (MD5 and MD5-sess)
SRTP (Attention! In products intended for the member countries of the Customs Union, this functionality is missing.)
Support for IEEE802.1X
IPv6 support
LLDP/CDP/DHCP VLAN
Physical characteristics
Wall mount (a complete phone stand is used for mounting)