-Protocols/StandardsSIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS(A record,SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP,TR-069, 802.1x, TLS, SRTP, IPV6-Network Interfaces Dual switched auto-sensing 10/100Mbps ethernet ports with integrated POE-Graphic Display 200 x 80 pixel (3.3’’) backlit LCD display-WiFi Yes, integrated dual-band WiFi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)-Bluetooth No-Feature Keys6 line keys with up to 3 SIP accounts, 4 XML programmable context sensitivesoftkeys, 5 navigation/menu keys, 8 dedicated function keys for:PHONEBOOK, TRANSFER, CONFERENCE, HEADSET, MUTE, SEND/REDIAL,SPEAKERPHONE, VOLUME-Voice CodecsSupport for G.729A/B, G.711μ/a-law, G.726, G.722 (wide-band), G.723, iLBC,OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD,CNG, AEC, PLC, AJB, AGC-Auxiliary Ports RJ9 headset jack (allowing EHS with Plantronics headsets), USB, and a separateEHS port reserved for external EHS adapter in the future-Telephony FeaturesHold, transfer, forward, 5-way conference, call park, call pickup, sharedcall-appearance(SCA)/bridged-line-appearance(BLA), downloadablephonebook(XML, LDAP, up to 2000 items), call waiting, call log(up to 500records), XML customization of screen, off-hook auto dial, auto answer,click-to-dial, flexible dial plan, hot desking, personalized music ringtones andmusic on hold, server redundancy and fail-over-HD audio Yes, HD handset and speakerphone with support for wideband audio-Base Stand Yes, 2 angle positions available. Wall Mount stand sold separately-QoS Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS-SecurityUser and administrator level passwords, MD5 and MD5-sess basedauthentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1xmedia access control, Kensington Security Slot (Kensington Lock) support-Multi-language English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,Chinese, Korean, Japanese-Upgrade/Provisioning Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069or AES encrypted XML configuration file-Power & Green Energy EfficiencyUniversal power adapter included: Input:100-240V; Output: +5V, 2A;Integrated Power-over-Ethernet (802.3af)Max power consumption : 5W-Physical Dimension: 231mm(W) x 167mm(L) x 86mm(H); Unit weight:0.925kg ; Packageweight:1.55kg-Temperature and HumidityOperation: 0°C to 40°CStorage: -10°C to 60°CHumidity: 10% to 90% Non-condensing-Package Content GXP1760W phone, handset with cord, base stand, universal power supply,network cable, Quick Installation Guide, GPL license-ComplianceFCC: Part 15 (CFR 47) Class BCE: EN55022 Class B; EN55024 Class B;EN61000-3-2; EN61000-3-3;EN60950-1RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950.1