|  Protocols/ Standards |  SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP | 
  |  Network Interface |  Dual switched 10/ 100/ 1000 Mbps ports with integrated PoE | 
  |  Graphic Display |  4.3 inch (480 x 272) capacitive (5 points) touch screen TFT LCD | 
  |  Camera |  Tiltable mega pixel CMOS camera with privacy shutter | 
  |  Bluetooth |  Yes, integrated. Bluetooth 4.0 + EDR | 
  |  Wifi |  Yes, integrated. 802.11 b/g/n | 
  |  Auxiliary Ports |  RJ9 headset jack (allowing EHS with Plantronics headsets), USB, SD, Mini-HDMI, extension module port | 
  |  Feature Keys |  11 function keys for PHONEBOOK, BACKSPACE, HEADSET, MUTE, HOLD, MESSAGE, TRANSFER, CONFERENCE, SPEAKERPHONE, SEND/ REDIAL, VOLUME, 3 dedicated Android keys for HOME, MENU, and BACK | 
  |  Voice Codecs |  Support for G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.729, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO) | 
  |  Video Codecs and Capabilities |  H.264 BP/ MP/ HP, video resolution up to 720p, frame rate up to 30 fps, bit rate up to 2Mbps, 3-way video conference, anti-flickering, auto focus and auto exposure, PIP (Picture-in-Picture), on-screen-display, camera block, still picture capture/store, video recording, visual voice message indicator | 
  |  Telephony Features |  Hold, transfer, forward (unconditional/ no-answer/ busy), call park/pickup, 6-way audio conference, shared-call-appearance (SCA) / bridged-line-appearance (BLA), virtual MPK, downloadable phone book (XML, LDAP), call waiting, call history, boss-secretary virtual button, flexible dial plan, hot desking, personalized music ringtones, server redundancy & fail-over | 
  |  Sample Applications |  Skype, Google Hangouts, Microsoft Lync, Web browser, Adobe Flash, Facebook, Twitter, YouTube, news, weather, stock, Internet radio, Pandora, Last.fm, Yahoo Flickr, Photobucket, alarm clock, Google calendar, mobile phone data import/export via Bluetooth, etc. API/SDK available for advanced custom application development | 
  |  Applications Deployment |  Allows Android OS version 4.2 compliant applications to be developed, downloaded and run in the embedded device with provisioning control | 
  |  HD Audio |  Yes, both handset and speakerphone support HD (wide-band) audio | 
  |  Base Stand |  Yes, integrated stand with 2 adjustable angles. Wall mountable | 
  |  Extension Module |  Yes, can power up to 4 GXP2200EXT modules which feature a 128 x 384 graphic LCD, 20 quick-dial/ BLF keys with dual-color LED, 2 navigation keys, and less than 1.2W power consumption per unit | 
  |  QoS |  Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS | 
  |  Security |  User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control | 
  |  Multi-language |  English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more | 
  |  Upgrade/ Provisioning |  Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using TR-069 or AES encrypted XML configuration file | 
  |  Power & Green Energy Efficiency |  Universal power adapter included: Input 100-240VAC 50-60Hz; Output 12VDC, 1.5A (18W), Integrated PoE+ (Power-over-Ethernet) 802.3at, Class 4 | 
  |  Dimension |  196.5 x 206.2 x 85.2 mm | 
  |  Weight |  Unit: 0.92kg | 
  |  Package: 1.45kg |