Grandstream 4 Line VoIP Phone With A Colour LCD Screen And HD Audio GRANDSTREAM GXP2140 4 LINE VOIP PHONE WITH A 4.3 INCH COLOUR LCD SCREEN AND HD AUDIO Grandstream GXP2140 4 Line VoIP Phone with a 4.3 inch Colour LCD screen and HD audio. A versatile Enterprise VoIP phone, the Grandstream GXP2140 is a Linux-based device that includes 4 lines, 5 XML programmable soft keys, and 5-way conferencing. A 4.3 inch colour LCD screen and HD audio allow for a crisp display and high grade calls. The GXP2140 VoIP Phone comes equipped with Bluetooth, USB and EHS capabilities for flexibility. The phone also comes pre-loaded with weather & currency exchange apps. Add up to 4 GXP2200EXT modules to view an additional 160 lines, and customise your language for global use. FEATURES 480x272 TFT colour LCD Automated provisioning using TR-069 or AES encrypted XML configuration file, TLS/SRTP/HTTPS for advanced security and privacy protection Integrated real-time web applications [weather, currency, RSS news (pending), etc.] GXP series is officially supported by 3CX SPECIFICATIONS Manufacturer's Product Code: GXP2140 Protocols / Standards: SIP 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 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE Graphic Display: 4.3 inch (480x272) TFT color LCD Bluetooth: Yes, Bluetooth V2.1 Feature Keys: 4 line keys with up to 4 SIP accounts, 5 programmable context sensitive softkeys, 5 navigation/menu keys, 11 dedicated function keys for: MESSAGE (with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL- Voice Codecs: Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), and iLBC,in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO) Auxiliary Ports: RJ9 headset jack (allowing EHS with Plantronics headsets), USB