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
Expansion
nodes each
Yes
Expansion
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),
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
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.
