Grandstream Networks GSC3570 User Manual page 48

Sets the H.264 image size. It can be selected from the dropdown list.
720P
4CIF
VGA
CIF
H.264
Image
QVGA
Size
QCIF
Note: For some network environment, the default setting "720P" might be too high that causes no video or
video quality issue during video call. In this case, please change "H.264 Image Size" to "VGA" or "CIF" and
change "Video Bit Rate" to "384kbps" or lower.
The default setting is 720P.
Selects the H.264 profile type from the dropdown list.
Baseline Profile
Main Profile
High Profile
H.264
BP/MP/HP (Default Setting)
Profile
Type
Note: Lower levels are easier to decode, but higher levels offer better compression. Usually, for the best
compression quality, choose "High Profile"; for playback on low-CPU machines or mobile devices, choose
"Baseline Profile".
If "BP/MP/HP" is selected, all three profiles "Baseline Profile" "Main Profile" and "High Profile" will be used for
negotiation during video decoding to achieve the best result. This is usually used in video conference when
there is higher requirement on the video.
Configures the bit rate for video call. It can be selected from the dropdown list. The default setting is 2048
kbps. The valid range is from 32 – 2048 kbps.
Note: The video bit rate can be adjusted based on the network environment. Increasing the video bit rate may
Video Bit improve video quality if the bandwidth is permitted. If the bandwidth is not permitted, the video quality will
Rate decrease due to packet loss.
For some network environment, the default setting "720P" might be too high that causes no video or video
quality issue during video call. In this case, please change "H.264 Image Size" to "VGA" or "CIF" and change
"Video Bit Rate" to "384kbps" or lower.
H264
Specifies the H.264 codec message payload type format. The default setting is 99.
Payload
The valid range is from 96 to 127.
Type
This feature enhancement is designed for some ITSP customers that providing video phone call service.
Enable
Proxy
Because GSC3570 does not have camera, this enhancement will improve the video call by sending some fake
Video
video packets to notify the proxy then displaying black screen on the other side of the video phone.
Compatib
ility
Default is set to No.
Account x
�� Call
Settings