Grandstream GXP280 Entry Level Single Line IP Phone

Small businesses with or without IP PBX will enjoy the high quality audio, graphic LCD and rich business feature set of the GXP280single line SIP VoIP telephone. The GXP280 features dual 10M/100Mbps network ports, 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 GXP280/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
• 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 VoIP services and can be easily auto provisioned for mass deployment

• 128 x 32 pixel graphical LCD with support for multiple languages
• Dual switched auto sensing 10/100 Mbps network ports with integrated PoE (Power over Ethernet) support.
• 1 line appearance with FLASH to handle up to 2 simultaneous calls
• 3 XML programmable context sensitive soft keys, 3 way conference
• High fidelity wideband audio, full-duplex speakerphone with advanced acoustic echo cancellation
• Automated provisioning for mass deployment, SRTP

Protocols/Standards	SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, STUN, SIMPLE
Network Interfaces	Dual switched 10/100 Mbps
Graphic Display	128 x 32 pixel graphic LCD
Feature Keys	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
Voice Codec	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)
Telephony Features	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
Headset Jack	2.5mm and RJ22 headset jack
QoS	Layer 2 (802.1Q, 801.2p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security	User and administrator level passwords, MD5 and MD5- sess based authentication, AES based secure configuration file, SRTP
Multi-language	English, Spanish, French, German, etc
Upgrade/Provisioning	Firmware upgrade via TFTP/HTTP, mass deployment using central secure provisioning file
PoE (Power over Ethernet)	Integrated (IEEE 802.3af)
Power	Universal power adaptor (Input: 100-240VAC 50-60Hz, Output:+5VDC, 1.2A, UL Certified) included
Physical	Dimension: 168mmx200mmx89.5mm Unit weight: 0.62KG Package weight: 0.725KG
Temperature/Humidity	32-104°F/ 0-40 °C, 10-90% (non-condensing)
Compliance	FCC,CE,C-Tick