The GXP-285 has been discontinued by the manufacturer. The replacement product is the GXP-1405.
Small businesses will enjoy the high quality audio, graphic LCD and rich business feature set of the GXP285 single line SIP telephone.
The GXP285 features dual 10M/100Mbps network ports with integrated Power over Ethernet (802.3af PoE) support, full duplex speakerphone with acoustic echo cancellation, 1 line appearance with FLASH to allow 2 simultaneous calls, 3 XML programmable soft keys, and headset jack. An affordable choice for any SOHO user, the GXP285 also comes with off-hook auto dial, auto answer, click-to-dial, downloadable ringtones, server redundancy and fail-over support, as well as security protection (SRTP and AES encryption of configuration file).
» 1 line appearance with FLASH to handle 2 simultaneous calls
» Dual 10/100M Ethernet ports with integrated Power-over-Ethernet (802.3af PoE) to allow centralized power supply with backup
» HD wideband audio and full-duplex speakerphone with advanced acoustic echo cancellation
»128x32 graphical LCD with support for multiple languages
»Broad interoperability with most of the leading IP PBX, Softswitch platforms and 3rd party SIP devices and can be easily auto provisioned for mass deployment
Grandstream GXP-285 Specifications
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, STUN, SIMPLE
Dual switched 10/100 Mbps with integrated PoE (Power over Ethernet) support
128 x 32 pixel graphic LCD
3 XML dynamic context sensitive soft keys, 3 navigation/menu/volume keys, 7 dedicated function keys for: HOLD, SPEAKERPHONE, SEND, TRANSFER, CONFERENCE, FLASH and HEADSET
Support for G.723.1, G.729 A/B, G.711 u/a-law, G.726, G.722 (wide-band), GSM and iLBC, in- band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Hold, Mute, Transfer, Forward, 3-way Conference, Downloadable Phone Book (XML, LDAP up to 200 items), XML Customization of Screen, Call Waiting, Call Log, Off-hook Auto Dial, Auto Answer, Click-To-Dial, Downloadable Ringtones, Server Redundancy and Fail-over Support