GXV3615 IP Camera Series
Firmware 1.0.4.8 Page 26 of 28
Grandstream Networks, Inc. 11/29/10
6. Why does IE indicate to install G randstream Video View er add-on after a firmwar e
upgrade? The add-on was pro perly installed before the firm ware upgrade process.
New firmware will often upgrade the add- on as well. To watch the live video stream, you must
install the newest version of the add-on.
7. How do you watch secondary vid eo stream?
Login to the home page o f the GXV3501/ 350 4/ 3601/ 3615 web GUI, click Play to watch the
video stream. To watch a s econdary video stream, right c lick on the video, and sel ect
Secondary Stream on the pop-up menu. Try reinst alling the Grandstream Viewer add-o n for
IE if you cannot see the video stre am.
8. Why is audio missing from th e recorded video when an alarm i s triggered?
Please double check whether t he device has an audio input connect ed.
The GXV3504 has 4 a udio input p orts and one MIC IN port. The GXV3501 has a MIC IN
port for a n audio input. The GXV3 601 has a built- in microphone and o ne MIC IN port for
audio inputs.
9. What is DDNS? Is it important for IP surveillance product to have DDNS support?
DDNS is an ac ronym for Dynamic Domain Name S ervice. It is important to choose an IP
network camera that has DD NS support for dynamic IP addresses.
Chances are that the network has a dynamic IP address (which chan ges with every log on). A
DDNS service makes sur e that th e camera‟s IP address always matches up to t he current
server address. DDNS also allows for a website t o be linked to the IP camera that is
constantly updated with the correct information and has a reliabl e feed.
10. Why is Window s Media Player unable to play the recorded videos fil es?
The GXV3501/3601/3504 all use th e H.264 video c odec. Windows Media Player may lack
the proper H.26 4 decoder t o play the recorded video. Please download th e Microsoft
FFDShow H.264 decoder from http://sourceforge.net/projects /ffdshow-tryout/ and insta ll it.
11. Alarm Trigger ed Events do not work in GS urf.
Please double check th e Alarm Action on your GXV3501/ 3 504/ 3601. Login to the web GUI
of the G XV3501/ 3504/ 3601, go to the Motion Detec tion or Al arm Events page, an d make
sure option Upload to Alarm Ce nter is checked.
12. It is recomm ended that you save your video files in different directorie s when
using GSurf and GS_NVR.
GSurf and GS_NVR are different programs th at have the ability to delete recorded video files.
It is better t o save video files in different direc tories when using GSurf and GS_NVR in the
event that they automatically del ete files that you might want t o keep.
13. How can I use a cell phone to watch the GXV3501/ 3504/ 3601/ 3615 video stream?