Grandstream GVC3200 Administration Guide - Manual (Page 37)

Firmware Version 1.0.1.5 GVC3200 Administration Guide Page 36 of 61
G.722.1 Payload
Type It is used to select encoding rate for G.722.1 codec. The valid range is 100-126. The
default setting is “104”.
Video Jitter Buffer
Length Set jitter buffer length based on the current network environment. The default setting
is 300ms.
Enable RFC5168
Support
If set to "Yes", the RFC5168 mechanism will be enabled for video call. RFC5168
allows SIP party to request the sender to refresh its video frame in H.264, or refresh
the full picture in VP8.The default setting is "Yes".
Enable Video FEC
If enabled, the video sender will temporarily allocate part of the bandwidth to one
data channel to send FEC data to system, thus to improve the video quality the
receiver gets. Enabling this function will take up part of bandwidth and reduce call
rate. The default setting is "Yes".
FEC Payload Type
It is used to configure FEC payload type. The range is 96-127. The default setting is
120.
FEC RED Payload
Type It is used to configure FEC RED payload type. The valid range is from 96 to 127.
The default value is 122.
Enable FECC
If set to "Yes", You can control the camera of the opposite side for video call, but the
opposite site must support FECC, and allow remote control on its local camera. The
default setting is "Yes".
FECC H.224
Payload Type It is used to configure FECC H.224 payload type. The valid range is from 96 to 127.
The default value is 125.
H.264 Payload
Type It is used to configure the H.264 codec message payload type format. The default
setting is 99. The valid range is from 96 to 127.
H.264 Image Size
It is used to set the H.264 image size. It can be selected from the dropdown list.
• 1080P
• 720P
• 4CIF
• 4SIF
• VGA
The default setting is 1080P.