Grandstream Networks GXP-1200 Benefits, GXP Key Features in a Glance, Open Standards Compatible

Programmable	No	7	18	7
Hard Keys
Soft Keys	3	No	3	4
Extension Module	No	Yes, up to 2	Yes	Yes
		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, 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	2.5mm	2.5mm and	2.5mm and
RJ22		RJ22	RJ22

Call Appearance LED	Dual color (green/red)
Grandstream Networks, Inc.	GXP User Manual	Page 9 of 38
	Firmware 1.1.5.15	Last Updated: 12/2007