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Grandstream Networks, Inc. GXP User Manual Page 9 of 38
Firmware 1.1.5.15 Last Updated: 12/2007
Programmable
Hard Keys
No 7 18 7
Soft Keys
3 No 3 4
Extension Module
No
Yes, up to 2
Expansion
Modules, 56 nodes
each
Yes Yes
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, and TLS.
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, autodial, off-hook dial, and click to dial.
Advanced Features
Multi-line support with dual-color LED, multi-party conferencing, line
extension interface, large back-lit graphic LCD, 5 navigation keys,
dedicated buttons for hold, send, speakerphone, headset, transfer,
conference (for up to 5 parties), mute, message, Do-not-disturb,
phone book, intercom/paging.
Advanced Functionality
Custom down-loadable ring-tones, SRTP, SIP over TLS (pending),
multi-language support and XML enabled, adjustable positioning
angles, wall mountable, AES encryption.
Table 6: GXP Hardware Specifications
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
GXP-1200 GXP-2000 GXP-2010 GXP-2020
128x32 pixel 130x64 pixel 240x120 pixel 320x160 pixel
Expansion Module Support
GXP-1200 GXP-2000 GXP-2010 GXP-2020
No Yes Pending Pending
Headset Jack
GXP-1200 GXP-2000 GXP-2010 GXP-2020
2.5mm and
RJ22
2.5mm 2.5mm and
RJ22
2.5mm and
RJ22
Call Appearance LED
Dual color (green/red)