Network interface | 1 x RJ45 1G Dual switched
| PoE | Yes
| Bluetooth | Yes
| Display technology | TFT color LCD 4.3 inch (480×272)
| Voice codecs | Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G723.1, iLBC, Opus, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
| Setting | 11 dedicated function keys for:MESSAGE(with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD, HEADSET, MUTE, SEND/ REDIAL, SPEAKERPHONE, VOL+, VOL, 24 speed-dial/BLF extension keys with dual-color LED, 5 (navigation, menu) keys, 5 programmable context sensitive softkeys, 6 line keys with up to 6 SIP accounts
| Telephony feature | 5-way conference, Auto answer, call log(up to 500 records), Call park/pickup, Call waiting, Click-to-dial, downloadable phonebook(XML, LDAP, up to 2000 items), Flexible dial plan, Forward (unconditional/no-answer/busy), Hold, Hot desking, Off-hook auto dial, Personalized music ringtones, Server redundancy & fail-over, shared-call appearance (SCA) / bridged-line-appearance (BLA), transfer, XML customization of screen
| Update/Provision | Firmware upgrade via FTP/TFTP / HTTP / HTTPS, FTP/FTPS, mass provisioning using TR-069 or encrypted XML configuration file
| Protocols/standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, CDP/SNMP/RTCP-XR
| Stand | 2 angle positions available
| Mounting | Wall mountable
| QoS | Layer 2 QoS (802.1Q, 802.1P), Layer 3 QoS (ToS, DiffServ, MPLS)
| Security | 802.1x media access control, AES based secure configuration file, MD5 and MD5-sess based authentication, SRTP, TLS, User and administrator level passwords
| Languages | English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, simplified and traditional Chinese, Korean, Japanese and more
| Green energy saving features | Integrated Power-over-Ethernet (802.3af)
| Voltage | Input 100-240 V, Max power consumption: 6W, Output: +12VDC, 1A
| Storage temperature range | -10°C to +60°C
| Operating humidity range | 10% to 90% , Non-condensing
| Weight | 980 g
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