User's Manual
GXV3615 IP Camera Series
Firmware 1.0.4.8 Page15of 30
Grandstream Networks, Inc. 11/29/10
to show the increm ental difference between each fram e. I-fram es are used to help keep the
video looking norm al. When intervals are shorter, the video quality is higher but uses more
bandwidth.
NOTE: The users might need to configure the Primary Stream and Secondary Stream
properly. Sometimes, the us er might like to watc h the live video stream from the web GUI in
low resolution mode while recording a copy via GSurf/GS_NVR in high resolution due to the
limitation of internet bandw idth. In this case, for example, prim ary stream can be c onfigured
to have better res olution, and then the users can use primary stream to record while w atching
secondary video streams.
Audio Settings
Preferred Audio Codec ± The GXV3615
supports up to 3 different Vocoder types,
a-law (PCMA), u-law (PCMU) and G.726.
The audio can also be turned off by
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Audio Compression ± Audio
compression is a form of data
compression designed to reduce the size
of audio files
. Usually, the higher the audio compression is, the better the audio quality is.
Microphone Volumne ± Adjust the volume of build-in microphone.
Speaker Volumne ± Adjust the volume of build-in speaker.
GXV3615 Series Networking Page ± Assign an IP to GXV3615
GXV3615 s upports IP version 4. The IP address can set autom atically via DHCP, or a static
IP address can be set manually. To m ake GXV3615w ork properly, the user needs to s et the
DNS c onfiguration properly. For s ecurity purposes, the user can als o assign the GXV3615 an
HTTP Port other than 80.
IP Address Configuration
The GXV3615 operates in two modes:
Dynamically Assigned via DHCP ± all the field values for the Static IP mode are not us ed.
The GXV3615 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 Mas k,
Default Gateway IP address, DNS Server 1
(primary), DNS Server 2 (secondary). These
fields are set to zero by default. Static IP