446 Matrix SPARSH VP110 User Guide
Ptime
Acoustic Echo Cancellation
Parameter-
account.X.codec.Y.rtpmap
ConfigurationFile
<MAC>.cf g
Description
Configuresthertpmap.
Xis1.
Yrangesfrom1to8.
Format Integer
DefaultValue
WhenY=1,thedefaultvalueis0;
WhenY=2,thedefaultvalueis8;
WhenY=3,thedefaultvalueis4;
WhenY=4,thedefaultvalueis4;
WhenY=5,thedefaultvalueis18;
WhenY=6,thede
faultvalueis9;
WhenY=7,thedefaultvalueis106;
WhenY=8,thedefaultvalueis102.
Range 0to127
Example
account.1.codec.1.rtpmap=0
Parameter-
account.X.ptime
ConfigurationFile
<MAC>.cfg
Description
Configurestheptime(inmilliseconds)forthecodec.
Xis1.
Format Integer
DefaultValue 20
Range
Validvaluesare:
0(Disabled)
10,20,30,40,50,60
Example account.1.ptime=20
Parameter-
voice.echo_cancellation
ConfigurationFile
<MAC>.cfg
Description EnablesordisablesAECfeatureontheIPphone.
Format Boolean
DefaultValue 1
Range
Validvaluesare:
0‐Disabled
1‐Enabled