GXP1620 Grandstream

Grandstream GXP1620

HD IP Phone 132x48 LCD, 2 lines, Dual Fast Ethernet Ports, 3 program keys, EHS

The GXP1620 is Grandstream’s standard IP phone for small businesses.

This Linux-based model features 2 lines, 3 XML programmable soft keys, HD audio and 3-way conferencing. A 132x48 LCD screen creates a clear display for easy viewing. Both the GXP1620 and GXP1625 include dual 10/100mb network ports and the GXP1625 includes integrated PoE. Additional features such as multi-language support, Electronic Hook Switch support for Plantronics headsets and call-waiting allow the GXP1620 and GXP1625 to be high quality, user-friendly and dependable IP phones.


  • 2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML programmable context-sensitive soft keys, 3-way conferencing, multi-language support
  • Automated personal information service (e.g., local weather, etc.), personalized music ring tone/ring back tone, customizable screen content/format using XML, advanced web and enterprise applications integration (pending)
  • Dual-switched 10/100 Mbps ports
  • Use with Grandstream’s UCM6100 series IP PBX appliance for Zero-Config provisioning, 1-touch call recording and more
  • HD wideband audio, superb dull-duplex hands-free speakerphone with advanced acoustic echo cancellation and excellent double-talk performance
  • Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for advanced security protection, 802.1x for media access control
  • 132 x 48 pixel backlit graphical LCD display
  • Large phonebook (up to 500 contacts) and call history (up to 200 records)
Network Interface
  • Dual switched auto-sensing 10/100 Mbps Ethernet ports
Graphic Display
  • 132 x 48 backlit graphical LCD display
Feature Keys
  • 2 line keys with dual-color LED and 2 SIP accounts, 3 XML programmable context sensitive soft keys, 5 (navigation, menu) keys. 13 dedicated function keys for MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD, PAGE/INTERCOM, RECORD, HOME
Voice Codecs
  • Support for G.711µ/a, G.722 (wideband), G.723, G.726-32, G.729 A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
HD Audio
  • Yes, HD handset and speakerphone with support for wideband audio
Headset Jack
  • RJ9 headset jack (allowing EHS with Plantronics headsets)
Base Stand
  • Yes, 2 angled positions available, wall mountable
Wall Mountable
  • Yes
Upgrade/Provisioning
  • Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file
Power & Green Energy Efficiency
  • Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
Physical
  • Dimension: 209mm (L) x 184.5mm (W) x 76.2mm (H) (with handset)
  • Unit weight: 0.73kg
  • Package weight: 1.1kg
Temperature and Humidity
  • Operation: 0°C to 40°C
  • Storage: -10°C to 60°C
  • Humidity: 10% to 90% Non-condensing

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