User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 11 of 42 
PRODUCT OVERVIEW 
FEATURE HIGHTLIGHTS (GXP1610/GXP1620/GXP1625/GXP1628) 
  132*48 pixel backlit graphical LCD display(GXP1610 doesn’t support backlit) 
  2 dual-color line keys, 3 XML programmable context-sensitive soft keys, 8 BLF keys (GXP1628 
only), 3-way conference, multi-language support 
  HD  wideband  audio  (GXP1620/GXP1625/GXP1628  only),  superb  full-duplex  hands-free 
speakerphone with advanced acoustic echo cancellation and excellent double-talk performance 
  Large phonebook (up to 500 contacts) and call history (up to 200 records) 
  Automated  personal  information  service  (e.g.,  local  weather,  etc.),  personalized  music  ring 
tone/ring back tone, flexible customizable screen content & format using XML, and advanced Web 
and enterprise applications, local weather service 
  Dual switched 10/100 Mbps ports on GXP1610/GXP1620/GXP1625, dual switched auto-sensing 
10/100/1000 Mbps Ethernet ports on GXP1628, integrated PoE on GXP1625/GXP1628 
  Automated  provisioning  using  TR-069  or  encrypted  XML  configuration  file,  SRTP  and  TLS  for 
advanced security protection, 802.1x for media access control 
  Perfectly compatible with Grandstream UCM Features 
  Innovative UI design (easy and useable multi-language support )  
  Use with Grandstream’s UCM61xx series IP PBX appliance for Zero-Config provisioning, 1-touch 
call recording and more 
FEATURE HIGHTLIGHTS (GXP1630) 
  132*64 pixel backlit graphical LCD display 
  3  dual-color  line  keys,  3  XML  programmable  context-sensitive  soft  keys,  8  BLF  keys,  4-way 
conference, multi-language support 
  HD wideband  audio, superb full-duplex hands-free speakerphone with  advanced acoustic echo 
cancellation and excellent double-talk performance 
  Large phonebook (up to 500 contacts) and call history (up to 200 records) 
  Automated  personal  information  service  (e.g.,  local  weather,  etc.),  personalized  music  ring 
tone/ring back tone, flexible customizable screen content & format using XML, and advanced Web 
and enterprise applications, local weather service 
  Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports with integrated PoE  
  Automated  provisioning  using  TR-069  or  encrypted  XML  configuration  file,  SRTP  and  TLS  for 
advanced security protection, 802.1x for media access control 
  Perfectly compatible with Grandstream UCM Features 










