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Grandstream Networks, Inc. GXP21xx User Manual Page 8 of 41

Firmware version: 1.0.1.66 Last Updated: 05/2011

Table 5: GXP21xx Key Features in a Glance

Features Benefits

Open Standards Compatible

SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTP

S, ARP/RARP,

ICMP, DNS (A record, SRV and NAPTR), DHCP (both client and server),

PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, SIP over TLS, 802.1x,

TR-069

Superb Audio Quality

Advanced Digital Signal Processing (DSP), Silence Suppression, VAD,

CNG, AGC

Network Interfaces

Dual 10/100mbps Ethernet ports with integrated PoE

Feature Rich

Traditional voice features including caller ID, call waiting, hold, transfer,

forward, block, auto-dial, off-hook dial

Advanced Features

Multi-line support with dual-color LED, multi-

party conferencing, line

extension interface, large backlit graphic LCD, 4

navigation keys,

dedicated buttons for hold, send/redial, speakerphone, headset, transfer,

conference (for up to 5 parties depending on model), mute, message, Do-

Not-Disturb, phone book, intercom

Advanced Functionality

Customized downloadable ring-tones, SRTP, SIP over TLS, multi-

language support and XML enabled, adjustable positioning angles, wall

mountable, AES encryption, automatic multimedia service (eg., weather

information)

Table 6: GXP21xx Hardware Specifications

Model GXP2120 GXP2110 GXP2100

LAN Interface

(Ethernet ports)

Two (2) 10/100 Mbps Full/Half Duplex Ethernet Switch with LAN and PC port with auto

detection

Graphic LCD

Display

320x160 pixel 240x120 pixel 180x90 pixel

Expansion

Module Support

Yes No

Headset Jack

2.5mm and RJ9

Call Appearance

LED

13 Dual color (green/red)

22 Dual color (green/red)

11 Dual color (green/red)

Power over

Ethernet

Built-in auto-sensing: Cisco and IEEE 802.3af standard

Universal

Switching

Input: 100-240VAC 50-60

Power Adaptor

Output: +5VDC, 800mA,

UL certified

Output: +5VDC, 800mA,

UL certified

Output: +5VDC, 800mA,

UL certified

Dimension

251mm(W) x 202mm(L

) x

77mm(H)

252mm (W) x 210mm (L) x

78mm (H)

222mm (W) x 210mm (L)

x 93mm (H)

Weight

1.66KG (3.64lbs) 1.78KG (3.92lbs) 1.63KG (3.59lbs)

Temperature

32 –104

F/ 0 – 40