Polycom SIP 3.1 Administrator's Manual page 201

Attribute
voice.aes.hf.duplexBalance.2
voice.aes.hf.duplexBalance.3
voice.aes.hf.duplexBalance.4
voice.aes.hf.duplexBalance.5
voice.aes.hf.duplexBalance.6
voice.aes.hf.duplexBalance.7
voice.aes.hf.duplexBalance.8
voice.aes.hf.duplexBalance.IP_4000.0
voice.aes.hf.duplexBalance.IP_4000.1
voice.aes.hf.duplexBalance.IP_4000.2
voice.aes.hf.duplexBalance.IP_4000.3
voice.aes.hf.duplexBalance.IP_4000.4
voice.aes.hf.duplexBalance.IP_4000.5
voice.aes.hf.duplexBalance.IP_4000.6
voice.aes.hf.duplexBalance.IP_4000.7
voice.aes.hf.duplexBalance.IP_4000.8
Attribute
voice.ns.hs.enable
voice.ns.hs.signalAttn
voice.ns.hs.silenceAttn
voice.ns.hd.enable
voice.ns.hd.signalAttn
voice.ns.hd.silenceAttn
Background Noise Suppression <ns/>
These settings control the performance of the transmit background noise
suppression feature.
Polycom recommends that you do not change these values.
Configuration Files
Default
6
6
5
4
4
3
2
10
9
8
7
6
5
4
3
2
Default
1
-6
-9
0
0
0
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