Grandstream GXP280

Grandstream GXP280 Small Business 1-line IP Phone


The Grandstream GXP280 IP Phone delivers superior HD audio quality, comprehensive telephony features, automated provisioning capability for easy deployment, advanced security protection for privacy and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.

An affordable choice for any SOHO user, the Grandstream GXP280 IP Phone 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).

They are an ideal entry level IP telephony solution for small business users needing a high quality, feature rich yet affordable single-line SIP phone.


  • 128 x 32 pixel graphical LCD with support for multiple languages
  • 1 line SIP account and 2 call appearances (allowing 2 simultaneous calls and 3-way conference)
  • 3 context sensitive soft keys
  • HD wideband audio, full-duplex speakerphone with advanced acoustic echo cancellation
  • Dual switched auto sensing 10/100 Mbps network ports
  • Secure and automated provisioning for mass deployment, SRT

Feature Keys

  • 3 dynamic context sensitive soft keys
  • 3 navigation/menu/volume keys
  • 7 dedicated function keys for:
    • Hold
    • Speakerphone
    • Send
    • Transfer
    • Conference
    • Flash
    • Headset


Telephony Features

  • Hold
  • Mute
  • Transfer
  • Forward
  • 3-way Conference
  • Downloadable Phone Book (XML, LDAP up to 200 items)
  • Call Waiting
  • Call Log
  • Off-hook Auto Dial
  • Auto Answer
  • Click-To-Dial
  • Downloadable Ringtones
  • Server Redundancy
  • Fail-over Support

Protocols and Standards

  • SIP RFC3261
  • HTTP
  • ICMP
  • DNS (A record and SRV)
  • DHCP
  • PPPoE
  • TFTP
  • NTP
  • STUN

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)


Headset Jack

  • 2.5mm and RJ22 headset jack


  • Layer 2 (802.1Q, 801.2p) and Layer 3 (ToS, DiffServ, MPLS) QoS


  • User and administrator level passwords
  • MD5 and MD5- sess based authentication
  • AES based secure configuration file
  • SRTP


  • English
  • Spanish
  • French
  • German

Upgrades and Provisioning

  • Firmware upgrade via TFTP/HTTP
  • Mass deployment using central secure provisioning file


  • Universal power adapter (Input: 100-240VAC 50-60Hz, Output:+5VDC, 1.2A, UL Certified) included



  • Dimension: 168mm x 200mm x 89.5mm
  • Unit weight: 0.62kg
  • Package weight: 0.725kg

Temperature and Humidity

  • 32-104°F / 0-40 °C
  • 10-90% (non-condensing)


  • FCC
  • CE
  • C-Tick

Where to Buy

Created by: voip_phones, Last modification: Wed 12 of Sep, 2012 (15:19 UTC) by cjtaylor
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