User's Manual
 GXV3500 Digital Video Encoder/Decoder 
Firmware 1.0.1.38                                                                                                          Page 15 of 32  
Grandstream Networks, Inc. 08/2011 
NOTE:    The users might need to configure the Primary Stream and Secondary Stream 
properly. Sometimes, the user might like to watch the live video stream from the web GUI in 
low resolution mode while recording a copy in high resolution mode due to the limitation of 
internet bandwidth. In this case, for example, primary stream can be configured to have better 
resolution, and then the users can use primary stream to record while watching secondary 
video streams.   
Audio Settings 
Preferred Audio Codec – The GXV3500 supports 2 different vocoder types, a-law (PCMA), 
u-law (PCMU). 
Microphone Volume – Values can go from 1 to 5 
Speaker Volume – Values can go from 0 to 31 
GXV3500 Networking Page – Assign an IP to the IP encoder/decoder 
The GXV3500 supports IP version 4. The IP address can be set automatically via DHCP, or a 
static IP address can be set manually. To have the device work properly, the user needs to set 
the DNS configuration properly. For security purposes, the user can also assign the IP 
camera an HTTP Port other than 80. 
IP Address Configuration 
The GXV3500 operates in two modes: 
Dynamically Assigned via DHCP 
– all the field values for the Static IP 
mode are not used. The GXV3500 
acquires its IP address from the first 
DHCP server it discovers on its 
LAN.   
Statically Configured as – 
configures all of the following fields: 
IP address, Subnet Mask, Default 










