Account/Call Settings; Firmware Version 1.0.1.20 - Grandstream Networks GXV3275 Administration Manual

SDP Bandwidth Attribute
H.264 Payload Type
Silence Suppression
Voice Frames Per TX

ACCOUNT/CALL SETTINGS

Start Video Automatically
Remote Video Request

Firmware Version 1.0.1.20

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.
Select the SDP bandwidth attribute from "Standard" "Media Level"
"Session Level" and "No" to modify the session format. The default
setting is "Media Level".

Standard: use AS format in session level; use TIAS format in media
level

Media Level: use AS format in media level

Session Level: use AS format in session level

No: no modifications in the session format
Note:
Please do not modify this setting without knowing the session format
supported by the server. Otherwise, it might cause video decoding
failure.
Configures H.264 codec payload type. The default setting is 99. The
valid range is from 96 to 127.
Controls the silence suppression/VAD feature. If set to "Yes", when
silence is detected, a small quantity of VAD packets (instead of audio
packets) will be sent during the period of no talking. If set to "No", this
feature is disabled. The default setting is "No".
Configures the number of voice frames transmitted per packet. When
configuring this, it should be noted that the "ptime" value for the SDP will
change with different configurations here. This value is related to the
codec used and the actual frames transmitted during the in payload call.
For end users, it is recommended to use the default setting, as incorrect
settings may influence the audio quality. The default setting is 2.
If set to "Yes", the video will be started automatically when answering
SIP video call. The default setting is "Yes".
Configures the preference to handle video request from the other party
during an audio call. Users could select "prompt", "accept" or "deny".
The default setting is "prompt".

"prompt": A message will be prompted if a video request is received.
Users can select "Yes" to establish video or "No" to reject the
request.
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