User's Manual
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 12 of 42 
  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 
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 TECHNICAL SPECIFICATIONS 
Table 1: GXP1610 Technical Specifications 
Protocols/Standards 
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, 
DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, 
SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP 
Network Interfaces 
Dual switched auto-sensing 10/ 100 Mbps Ethernet ports 
Graphic Display 
132*48  LCD display  
Feature Keys 
2 line keys with dual-color LED and 1 SIP account. 3 XML programmable 
context  sensitive  soft  keys.  5  (navigation,  menu)  keys.  13  dedicated 
function keys for PAGE/INTERCOM, PHONEBOOK, MESSAGE, HOME, 
HOLD, RECORD, MUTE, HEADSET, TRANSFER, CONFERENCE, SEND 
and REDIAL, SPEAKERPHONE, VOLUME 
Voice Codecs 
Support  for  G.711µ/a,  G.722  (wide-band),  G.723  (pending),  G.726-32, 
G.729 A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO) 
Telephony Features 
Hold, transfer, forward (unconditional/no-answer/busy), 3-way conference, 
call park/pickup, downloadable phone book (XML, LDAP, up to 500 items), 
call waiting, call history (up to 200 records), off-hook auto dial, auto answer, 
click-to-dial, flexible dial plan, hot desking, personalized music ringtones, 
server redundancy & fail-over 
Headset Jack 
RJ9 headset jack (allowing EHS with Plantronics headsets) 
Base Stand 
Yes, allow 2 angle positions available, Wall Mountable 
QoS 
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS 
Security 
User  and  administrator level access  control,  MD5  and  MD5-sess based 
authentication,  256-bit  AES  encrypted  configuration  file,  TLS,  SRTP, 
HTTPS, 802.1x media access control 
Multi-language 
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, 
simplified and traditional Chinese, Korean, Japanese, and more 
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 
Temperature  and 
Humidity 
Operation: 0°C to 40°C 
Storage: -10°C to 60°C  
Humidity: 10% to 90% Non-condensing 
Physical 
Dimension: 209mm(L)x 184.5mm(W)x 76.2mm(H) (with handset) 
Unit Weight: 0.74kg Package  Weight: 1.1kg 
Package Content 
GXP1610 phone, handset with cord, base stand, universal power supply, 
network cable, Quick Installation Guide, brochure, GPL license 
Compliance 
FCC: Part 15 (CFR 47) Class B 
CE : EN55022  Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-
1 
RCM:  AS/ACIF  S004;  AS/NZS  CISPR22/24;  AS/NZS  60950;  AS/NZS 
60950.1 










