Grandstream Networks GVC3200 Administration Manual page 44

The default setting is "24kbps encoding rate".
G.722.1 Payload It is used to configure payload type for G.722.1 codec. The valid range is 100-126.
Type The default setting is "104".
Opus Payload It is used to configure payload type for Opus codec. The valid range is 96-126. The
Type default setting is "123".
Use First
Matching If set to "Yes", the device will use the first matching vocoder in the sent 200OK SDP
Vocoder in 200OK as the codec. The default setting is "No".
SDP
If set to "Yes", the RFC5168 mechanism will be enabled for video call. RFC5168
Enable RFC5168
allows SIP party to request the sender to refresh its video frame in H.264, or refresh
Support
the full picture in VP8. The default setting is "Yes".
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
Enable Video FEC
gets. Enabling this function will take up part of bandwidth and reduce call rate. The
default setting is "Yes".
If set to 0, FEC is not sent by separate port. If set 1, FEC is sent by separate port.
Video FEC Mode
Default setting is 0.
FEC Payload It is used to configure FEC payload type. The range is 96-127. The default setting is
Type 120.
If set to "Yes", You can control the camera of the opposite side for video call, but the
Enable FECC opposite site must support FECC, and allow remote control on its local camera. The
default setting is "Yes".
FECC H.224 It is used to configure FECC H.224 payload type. The valid range is from 96 to 127.
Payload Type The default value is 125.
H.264 Payload
It is used to configure the H.264 codec message payload type format. The default
Type
setting is 99. The valid range is from 96 to 127.
The packetization mode can be set to 0, 1 or Auto. When it's set to 0 or 1, the INVITE
Packetization- will include packetization mode value as 0 or 1. If it's set to Auto, the INVITE will
mode
include both 0 and 1, and the packetization mode value is a result of negotiation
between the endpoint and the server. Default setting is 1.
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.
H.264 Profile
It is used to set the H.264 profile type. It can be selected from the dropdown list.
GVC3200/3202 Administration Guide
Version 1.0.3.64
P a g e | 44