Settings/H.323/Codec; Settings/H.323/Call - Grandstream Networks GVC3200 Administration Manual

Settings/H.323/Codec

Parameters Descriptions
This parameter specifies the mechanism to transmit DTMF digits. There are 3
DTMF
supported mode: In audio, RFC2833 and H245 signal.
PCMA, PCMU, G.722 and G.722.1 are supported on the device for the H.323 account.
Preferred Users can select the vocoder from the "Available" list to "Selected" list, and configure
Vocoder the vocoder priority by adjusting the order in the "Selected" list. The "Selected"
vocoders will be included in the SDP message with the same order.
It is used to configure the H.264 codec message payload type format. The default
H.264 payload
type setting is 99. The valid range is from 96 to 127.
It is used to set the H.264 image size. It can be selected from the dropdown list.
 1080P
 720P
 4CIF
H.264 image size
 4SIF
 VGA
The default setting is 1080P.
It is used to configure the bit rate of the video device. The default setting is 2048kpbs.
It is recommended to increase bit rate if bandwidth allows. If the bandwidth is not
enough, the video quality will be reduced.

Video bit rate

H.264 Image Size = 4SIF/4CIF/VGA, the Video Bit Rate can be set to a value from
384 to 1024 Kbps.
It is used to configure the video frame rate. The supported video frame rates are 5 fps,
Video frame rate
15fps, 25 fps, 30 fps and VFR. The default setting is "30 fps".

Settings/H.323/Call

Parameters Descriptions
If set to "Yes", the device will automatically turn on the speaker to answer incoming
Auto-Answer
calls after a short reminder beep. The default setting is "No".
H.264 Image Size = 1080p, the Video Bit Rate can be set to a value from
2048kbps to 4096kbps.
H.264 Image Size = 720p, the Video Bit Rate can be set to a value from 1024kbps
to 2048kbps.
GVC3200/3202 Administration Guide
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