Polycom SIP 2.2.0 Administrator's Manual page 152

Administrator's Guide SoundPoint IP / SoundStation IP
Attribute
voice.aec.hs.enable
voice.aec.hs.lowFreqCutOff
voice.aec.hs.highFreqCutOff
voice.aec.hs.erlTab_0_300
voice.aec.hs.erlTab_300_600
voice.aec.hs.erlTab_600_1500
voice.aec.hs.erlTab_1500_3500
voice.aec.hs.erlTab_3500_7000
voice.aec.hd.enable
voice.aec.hd.lowFreqCutOff
voice.aec.hd.highFreqCutOff
voice.aec.hd.erlTab_0_300
voice.aec.hd.erlTab_300_600
voice.aec.hd.erlTab_600_1500
voice.aec.hd.erlTab_1500_3500
voice.aec.hd.erlTab_3500_7000
voice.aec.hf.enable
voice.aec.hf.lowFreqCutOff
voice.aec.hf.highFreqCutOff
voice.aec.hf.erlTab_0_300
voice.aec.hf.erlTab_300_600
voice.aec.hf.erlTab_600_1500
voice.aec.hf.erlTab_1500_3500
voice.aec.hf.erlTab_3500_7000
A - 40
Acoustic Echo Cancellation <aec/>
These settings control the performance of the speakerphone acoustic echo
canceller.
Polycom recommends that you do not change these values.
.
Default
0
100
7000
-24
-24
-24
-24
-24
0
100
7000
-24
-24
-24
-24
-24
1
100
7000
-6
-6
-6
-6
-6