User manual
- 72 - 
www.vivotek.com 
T: 886-2-82455282 
F: 886-2-82455532 
(r/w)  0  normal image 
1  Overlay time stamp on video imprinttimestamp 
(r/w) 
0  Do not overlay time stamp on video 
1  Enable udp slow start udpslowstart 
0  Disable udp slow start 
Group: Audio 
NAME VALUE  DESCRIPTION 
8000  set bitrate to 8K bps 
24000  set bitrate to 24K bps 
bitrate 
(r/w) 
32000  set bitrate to 32K bps 
0  Full-duplex (Talk & Listen simultaneously)
1  Half-duplex (Talk or Listen, not at the same 
time) 
2  Simplex – Talk only 
3  Simplex – Listen only 
transfermode 
(r/w) 
4 Disable audio 
0  Do not send audio from active client to all 
other clients 
sendclientaudio 
(r/w) 
1  Send audio from active client to all other 
clients (only possible in Half-duplex) 
0  Use external microphone in source (r/w) 
1  Use build microphone 
0  Disable low bandwidth environment
support 
lowbandwidth 
(r/w) 
1  Improve in low bandwidth environment 
0  Disable enableaec 
(r/w) 
1 Enable 
Group: Image 
NAME VALUE  DESCRIPTION 
brightness  <-5 ~ 5>  Adjust brightness of image according to 










