Table 2: Gxp1620/Gxp1625 Technical Specifications; Table 3: Gxp1628 Technical Specifications - Grandstream Networks GXP1610 Administration Manual

Protocols/Standards
Network Interfaces
Graphical Display
Feature Keys
Voice Codecs
Telephony Features
Headset Jack
HD Audio
Base Stand
QoS
Security
Multi-language
Upgrade/Provisioning
Power & Green Energy
Efficiency
Temperature and
Humidity
Physical
Package Content
Compliance
Protocols/Standards

Table 2: GXP1620/GXP1625 Technical Specifications

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
Dual switched 10/ 100 Mbps ports, integrated PoE (GXP1625 only)
132*48 pixel backlit graphical LCD display
2 line keys with dual-color LED and 2 SIP account. 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
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)
Hold, transfer, forward (unconditional/no-answer/busy), call park/pickup, 3-
way conference, shared-call-appearance (SCA) / bridged-line-appearance
(BLA), 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.
RJ9 headset jack (allowing EHS with Plantronics headsets)
Yes, HD handset and speakerphone with support for wideband audio
Yes, 2 angle positions available, Wall Mountable
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
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
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified and traditional Chinese, Korean, Japanese, and more
Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-
069 or AES encrypted XML configuration file
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
PoE IEEE802.3 af Class 2, 3.84W-6.49W
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10％ to 90% Non-condensing
Dimension: 209mm（L）x 184.5mm（W）x 76.2mm（H） (with handset)
Unit Weight: 0.73kg Package Weight: 1.1kg
GXP1620/GXP1625 phone, handset with cord, base stand, universal
power supply, network cable, Quick Installation Guide, brochure, GPL
license
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

Table 3: GXP1628 Technical Specifications

SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP,
DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN,
GXP1610/GXP1620/GXP1625/GXP1628/
GXP1630 Administration Guide
(GXP1625 only)
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