The GXP2200EXT extension module is supported by the GXP2140, GXP2170 and GXV3240. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GXP2200EXT to support up to 40 contacts/extensions.) and features a large backlit LCD screen for easy viewing. Connect up to 4 GXP2200EXT modules to compatible Grandstream phones for a total of 160 contacts/extensions. This expansion module supports traditional call features on each of its programmable buttons, including BLF (busy lamp field, standard or eventlist)Call Park/Pick-up, Speed Dial, Presence, Intercom, and conference/ transfer/forward. The GXP2200EXT is the ideal solution for users that manage high call volumes, including executives and receptionists. By using the GXP2200EXT the telephone attendant can maximize productivity by efficiently monitoring and dispatching multiple incoming calls. Specifications Network Interface: Dual switched 10/ 100/ 1000 Mbps ports with integrated PoE Graphic Display: 7 inch (1024×600) capacitive (5 points) touch screen TFT LCD Camera: Tiltable mega pixel CMOS camera with privacy shutter Bluetooth: Yes, integrated. Bluetooth 4.0 EDR Wi-Fi: Yes, integrated. 802.11 b/g/n Feature Keys: 2 function keys VOLUME /-, 3 dedicated Android keys for HOME, MENU, and BACK HD Audio: Yes, both handset and speakerphone support HD (wide-band) audio Base Stand: Yes, integrated stand with 2 adjustable angles. Wall mountable 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
