Protocols/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, SRTPNetwork Interfaces: Dual switched auto-sensing 10/ 100 Mbps Ethernet portsGraphic Display: 132*48 LCD displayFeature Keys: As características adicionais incluem 3-way conferênce para maximizar a produtividade, 3 teclas programáveis XML para personalização e suporte para fones de ouvido Plantronics EHS.Codecs de Voz: Support for G.711µ/a, G.722 (wide-band), G.723 (pending), G.726-32, G.729 A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)Telephony Features: Suporte para fones de ouvido Plantronics EHS.2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances)132*48 pixel backlit graphical LCD display.3 XML programmable context-sensitive soft keys, 3-way conferenceHD wideband audio, superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation and excellent double-talk performance.Input 100-240VAC 50-60Hz; Output +5VDC, 600mA ou fonte POE modelo 82.a.f