|Protocols and standards
||SIP RFC3261, TCP / IP / UDP, RTP / RTCP, HTTP / HTTPS, ARP / RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED , LDAP, TR-069, 802.1x, TLS, SRTP.
||Dual network ports 10/100 / Mbit / s with automatic identification.
||Graphic LCD display 132 * 48 pixels.
||2 line keys with two-color LEDs, and 1 SIP account, 3 programmable context-sensitive touch keys, 5 navigation keys, 13 special keys for PAGE / INTERCOM, PHONEBOOK, MESSAGE, CALL ENCRYPT ( CALL ENCRYPTION, HOLD, RECORD, MUTE, HEADSET, TRANSFER, CONFERENCE, CONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME.
||Support G.711µ / a, G.722 (wideband), G.722.1, G.726-32, G.729 A / B, in the range and out of the range of DTMF (In audio, RFC2833, SIP INFO), VAD, CNG , AEC, PLC, AJB, AGC.
||Hold, transfer, redirect (unlimited / no-answer / busy), parking / call withdrawal, downloadable phone book (XML, LDAP, up to 500 points), call waiting, call history (up to 200 entries), auto redial, automatic answer, dialing one-click, flexible numbering plan, Hot Desking, personalized music melodies, fault tolerance.
||Headset with RJ9 connector (which allows the use of EHS with Plantronics headsets).
||2 angle positions
|Quality of service
||QoS layer 2 (802.1Q, 802.1P) and layer 3 (ToS, DiffServ, MPLS)
||English, Simplified Chinese, Traditional Chinese, Korean, Japanese, Italian, Spanish, French, German, Portuguese, Russian, Croatian, Hungarian, Polish, Slovenian, Arabic, Hebrew, and Dutch.
||User and administrator level access control, MD5 and MD5-sess based authentication, 256 bit encrypted AES configuration file, SRTP, TLS, HTTPS, 802.1x media access control
|Update / Provisioning
||Software update via TFTP / HTTP / HTTPS, mass service provision via TR-069 or AES-encrypted XML-file.
||Power unit: Input: 100-240VAC 50-60Hz; Output: + 5VDC, 600mA;
||Dimensions 209mm (D) x 184.5mm (W) x 76.2mm (H) (With tube), Device weight: 0.74 kg; Shipping Weight: 1.1 kg
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