User manual
VIVOTEK
User's Manual - 223  
Integer>  0: Not support 
1: Support 
Bit 0 for CH0, bit 1 for CH1, and so on. 
audio_alarm <0~Positive 
Integer> 
0/7  0: Not support audio alarm. 
1: Support audio alarm. 
Bit 0 for CH0, bit 1 for CH1, and so on. 
audio_linein 
<Not support anymore> 
<boolean>  0/7  Indicate whether to support external line 
input. 
* Not support this parameter anymore when 
the version number (httpversion) is equal or 
greater than 0301a. 
* It will be replaced by audio_intmic and 
audio_extmic. 
audio_lineout  <boolean>  0/7  Indicate whether to support line output. 
audio_michardwareswitch  <boolean>  0/7  Indicate whether the hardware supports 
built-in/external mic switch 
audio_headphoneout 
<Not support anymore> 
<boolean>  0/7  Indicate whether to support headphone 
output.
* Not support this parameter anymore when 
the version number (httpversion) is equal or 
greater than 0301a. 
audioin_codec  aac4, gamr, g711, 
g726, - 
<product
dependent> 
0/7  Available audio codec. We take comma to split 
codec without any space. 
aac4: Advanced Audio Coding (AAC) 
gamr: Adaptive Multi-Rate (AMR)   
g711: G.711 
g726: G.726 
-: Not supported. 
audioout_codec  g711, - 
<product
dependent> 
0/7  Available codec list for SIP. 
-: Not supported. 
motion_wintype  rectangle, polygon  0/7  The supported motion window type. 
polygon: The window is a 2D polygon shape. 
rectangle: The window is a 2D rectangle 
shape. 
motion_windomain  qvga, px, std, -  0/7  The domain to set an motion window. 
qvga: a 320x240 range to represent the whole 










