Polycom IP 320 Administrator's Manual page 237

Attribute
voice.ns.hf.IP_4000.enable
voice.ns.hf.IP_4000.signalAttn
voice.ns.hf.IP_4000.silenceAttn
Note
Attribute
voice.agc.hs.enable
voice.agc.hd.enable
voice.agc.hf.enable
Attribute
voice.rxEq.hs.IP_330.preFilter.enable
voice.rxEq.hs.IP_430.preFilter.enable
voice.rxEq.hs.IP_450.preFilter.enable
voice.rxEq.hs.IP_650.preFilter.enable
voice.rxEq.hs.VVX_1500.preFilter.enable
Automatic Gain Control <agc/>
These settings control the performance of the transmit automatic gain control
feature.
Automatic Gain Control will be implemented in a future release.
Polycom recommends that you do not change these values.
Receive Equalization <rxEq/>
These settings control the performance of the receive equalization feature.
Polycom recommends that you do not change these values.
Configuration Files
Default
1
-6
-9
Default
0
0
0
Default
1
1
1
1
1
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