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Product Category: Enterprise IP Phone
Brand: Grandstream
Model Number: GXP 280
Key Features
Description
The GXP280 is a next generation small business SIP phone that features 1 line appearance, 128x32 graphic LCD, 3 XML programmable softkeys, and dual 10M/100Mbps network ports. It is an affordable choice for a SOHO user needing a feature rich, 1-line IP phone.
| 128 x 32 pixel graphical LCD with support for multiple languages |
| 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 |
| Dual switched auto sensing 10/100 Mbps network ports |
| Automated provisioning for mass deployment, SRTP |
Specification
| Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, STUN, SIMPLE |
| Networking 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 |
| 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) |