User's Manual
Grandstream Networks, Inc. GXV3140 USER MANUAL  Page 9 of 83 
 FIRMWARE VERSION 1.0.1.18 Updated : 09/2009 
PRODUCT OVERVIEW 
Figure 4: Front, Side and Back View of GXV3140 
Table 2: GXV Key features at a glance 
Open Compatible 
Standards 
SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A 
record and SRV), DHCP, PPPoE, TFTP, NTP 
Interfaces 
Two 10/
100Mbps Ethernet Ports,1 USB(2.0)port,3.5mm headset port.
Extraordinary Audio 
Quality 
Advanced DSP for audio,Silence Suppression,VAD,CNG,AEC,AGC 
Extraordinary Video 
Quality 
Supports real-time video H.263/H.263+ and H.264 codec under low bandwidth 
(32kbps-1Mbps). 
Advanced Video 
Features 
4.3” digital TFT color LCD with 480x272 resolution, 45 degree rotating lens 
(perpendicular), Advanced VGA lens, auto focus, auto exposure, zoom (2x 
optical 2x digital), Camera Block, PIP(Picture-in-Picture) and still picture 
capture/store. 
Feature Rich  Traditional audio features: Caller ID, Call Waiting, Call Holding, Call Transfer, 
Do-Not-Disturb, Mute, Automatic dial.   
Built-in web browser, RSS news, Stock market update, Weather forecast, 










