Polycom SOUNDPOINT SIP 2.2.0 - Manual (Page 155)

Configuration Files
A - 43
Automatic Gain Control
These settings control the performance of the transmit automatic gain control
feature.
Receive Equalization
These settings control the performance of the receive equalization feature.
Note Automatic Gain Control will be implemented in a future release.
Polycom recommends that you do not change these values.
Attribute Default
voice.agc.hs.enable 0
voice.agc.hd.enable 0
voice.agc.hf.enable 0
Polycom recommends that you do not change these values.
Attribute Default
voice.rxEq.hs.IP_330.preFilter.enable 1
voice.rxEq.hs.IP_430.preFilter.enable 1
voice.rxEq.hs.IP_500.preFilter.enable 1
voice.rxEq.hs.IP_600.preFilter.enable 1
voice.rxEq.hs.IP_601.preFilter.enable 1
voice.rxEq.hs.IP_650.preFilter.enable 1
voice.rxEq.hs.IP_330.postFilter.enable 0
voice.rxEq.hs.IP_430.postFilter.enable 0
voice.rxEq.hs.IP_500.postFilter.enable 0
voice.rxEq.hs.IP_600.postFilter.enable 0
voice.rxEq.hs.IP_601.postFilter.enable 0