PoE | Yes
| Network interface | 2 x RJ45 10/100 Mbps POE
| Display technology | backlit graphical LCD display 132 x 48 (2.41’’)
| Voice codecs | AEC, AGC, AJB, CNG, G.711μ/a-law, G.722(wide-band), G.723, G.726, G.729 A/B, iLBC, In-band and out-of-band DTMF(in audio, RFC2833, SIP INFO), OPUS, PLC, VAD
| Setting | 2 line keys with dual-color LED and support for 4 SIP account, 4 XML programmable context sensitive soft keys, 5 navigation/menu keys, 8 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER,HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL
| Telephony feature | 5-way conference, Auto answer, Call park, Call pickup, call waiting, call log(up to 800 records), Click-to-dial, downloadable phonebook(XML, LDAP, up to 2000 items), Flexible dial plan, Forward, Hold, Hot desking, music on hold, Off-hook auto dial, Personalized music ringtones, Server redundancy & fail-over, shared-call appearance (SCA) / bridged-line-appearance (BLA), transfer
| Update/Provision | Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using GDMS/TR069 or AES encrypted XML configuration file
| Protocols/standards | ARP, DHCP, DNS(A record, SRV, NAPTR), HTTP / HTTPS / TFTP, ICMP, IPV6, LDAP, LLDP, NTP, PPPoE, RTCP-XR, RTP/RTCP, SIMPLE, SIP RFC3261, SNMP, SRTP, SSH, STUN, TCP/IP/UDP, TLS, TR-069
| Green energy saving features | PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE)
| Mounting | Wall mountable
| Languages | English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese
| Operating humidity range | 10% to 90% , Non-condensing
| QoS | Layer 2 QoS (802.1Q, 802.1P), Layer 3 QoS (ToS, DiffServ, MPLS)
| Security | 256-bit AES encrypted configuration file, 802.1x media access control, MD5 and MD5-sess based authentication, secure boot, SRTP, TLS, User and administrator level passwords
| Stand | 1 angle position available (45°)
| Storage temperature range | -10°C to +60°C
| Voltage | Input 100-240VAC 50-60Hz, Output +5VDC, 600mA
| Weight | 830 g
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