Grandstream GXP2170, 12-line Enterprise HD IP Phone, 480x272 TFT color LCD, 48 virt speed keys, dual GigE with 802.3af PoE, Bluetooth, USB, (with PS)

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 Network interface Dual Gigabit 10/100/1000 Mbps Network Port with auto-negotiation and built-in PoE Graphic Display 4.3 inch (480x272) TFT color LCD Bluetooth Yes, built-in Function keys 12 line keys, up to 6 SIP accounts, 5 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 11 special function keys for functions such as: MESSAGE (with LED indicator), Phonebook, transfer, conference, call hold, headset, mute, send/repeat dial, speakerphone, volume+, volume-0 Voice codecs Support G7.29A/B, G.711µ/a-law, G.726, G.722(broadband), G723.1, iLBC, Opus, in-band and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC Additional ports RJ9 headset jack (which allows you to use EHS with Plantronics headsets), USB, expansion module port Telephony functions Hold, Transfer, Redirect, 5-way conference, Call parking, Call capture, Call separation (SCA)/Call transfer (BLA), Downloadable phonebook (XML, LDAP, up to 2000 entries), Call waiting, Call log (up to 500 entries), XML screen setup, auto dial when answering machine, one-click dialing, flexible dialing plan, "hot" workplace, personalized ringtones and music on hold, server backup and switching in case of failure HD Audio Yes, HD headset and speaker with broadband audio support The extension module Yes, you can connect up to 4 GXP2200EXT modules with a 128x384 graphic LCD display, 20 speed dial/BLF keys with two-color LED backlight, 2 navigation keys and power consumption of less than 1.2Watts per module. Rack Yes, there are 2 corner positions, wall mounting option QoS Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS Safety User and administrator level passwords, MD5 and MD5-sess authentication, 256-bit AES encrypted configuration file, SRTP*, TLS, 802.1x media access control Multi-language support English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese Update/Service Software update via TFTP/HTTP/HTTPS, mass device configuration via TR-069 or encrypted XML configuration file, FTP/FTPS Energy consumption and environmental efficiency The kit includes a universal power adapter: Input:100-240V; Output: +12V, 1.0A; Built-in Ethernet power function(802.3af) Maximum power consumption: 5.4W (without GXP2200EXT) or 9.2W (with 4 GXP2200EXT modules connected in series) Dimensions Dimensions: 228mm(W) x 206mm(L) x 46mm(H); Device weight: 0.98kg; Package weight: 1.43kg Temperature and Humidity Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Without condensation Contents of the delivery set GXP2170 phone, Wired headset, Base, Universal power adapter, Network cable, Quick installation guide, GPL license Accordance FCC: Part 15 (CFR 47) Class B CE: EN55022 Class B; EN55024 Class B; EN61000-3-2; EN61000-3-3; EN60950-1 RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950.1