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Grandstream Networks, Inc. GXP User Manual Page 9 of 44
Firmware 1.2.5.3 Last Updated: 03/2011
GXP-2020
GXP2020 is an executive SIP phone. It features:
Six lines
Seven programmable hard keys
Four XML programmable soft keys
PoE Supported
Table 4: GXP Comparison Guide
Features GXP-280/285 GXP-1200 GXP-2000 GXP-2010 GXP-2020
LCD Display
128x32 pixel 128x32 pixel 130x64 pixel 240x120 pixel 320x160 pixel
Number of Lines
1 2 4 4 6
Programmable
Hard Keys
No No 7 18 7
Soft Keys
3 3 No 3 4
Extension Module
No No
Yes, up to 2
Expansion
Modules, 56
nodes each
Yes
, up to 2
Expansion
Modules, 56
nodes each
Yes
, up to 2
Expansion
Modules, 56
nodes each
Table 5: GXP Key Features in a Glance
Features Benefits
Open Standards Compatible
SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP,
DNS (A record and SRV), DHCP (both client and server), PPPoE,
TFTP, NTP, Telnet.
Superb Audio Quality
Advanced Digital Signal Processing (DSP),
Silence suppression,
VAD, CNG, AGC.
Network Interfaces
Dual 10/100mbps Ethernet ports, headset jack (RJ22 and/or 2.5mm
jack).
Feature Rich
Traditional voice features including caller ID, call waiting, hold,
transfer, forward, block, and off-hook dial, click to dial
Advanced Features
Multi-line support with dual-color LED (except on GXP-280/285),
multi-party conferencing, line extension interface, large back-lit
(except on GXP-280/285) graphic LCD, 5 or 3
navigation keys,
dedicated buttons for hold, send, speakerphone, headset, transfer,
conference (for up to 5 parties depending on model), mute, message,
Do-not-disturb, phone book, intercom/paging.
Advanced Functionality
Custom downloadable ring-tones, SRTP, multi-language support and
XML enabled, adjusta
ble positioning angles, wall mountable, AES
encryption.