This Linux-based model includes 2 lines, 3 XML programmable soft keys, 8 BLF keys and 3-way conferencing. A 132x48 backlit LCD screen creates a clear display for easy viewing. Additional features such as dual switched gigabit network ports, HD audio, multi-language support, integrated PoE, and call-waiting allow the GXP1628 to be a high quality, versatile and dependable office phone.

(GXP1628)

•	2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML programmable context-sensitive soft keys, 8 BLF keys, 3-way conference, multi-language support
•	Personalized music ring tone/ring back tone, and integration with advanced Web and enterprise applications, local weather service
•	Dual-switched Gigabit network ports, integrated PoE
•	Use with Grandstream’s UCM6100 series IP PBX appliance for Zero-Config provisioning, 1-touch call recording and more
•	HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook Switch (EHS) with Plantronics headsets
•	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 Interfaces
•	Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
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, 8 BLF 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
•	PoE: IEEE802.3af Class 2, 3.84W-6.49W
Physical
•	Dimensions: 220.5mm (L) x 192.5mm (W) x 76.0mm (H) (with handset)
•	Unit weight: 0.8kg
•	Package weight: 1.2kg
Temperature and Humidity
•	Operation: 0°C to 40°C
•	Storage: -10°C to 60°C
•	Humidity: 10% to 90% Non-condensing

SKU	GXP1628
Barcode #	6947273701866
Brand	GRANDSTREAM
Shipping Weight	2.0000kg
Shipping Width	0.100m
Shipping Height	0.050m
Shipping Length	0.150m
Shipping Cubic	0.000750000m3