Polycom SIP 2.2.2 Manual page 158

Administrator's Guide SoundPoint IP / SoundStation IP
Attribute
voice.txEq.hf.IP_330.preFilter.enable
voice.txEq.hf.IP_430.preFilter.enable
voice.txEq.hf.IP_500.preFilter.enable
voice.txEq.hf.IP_600.preFilter.enable
voice.txEq.hf.IP_601.preFilter.enable
voice.txEq.hf.IP_650.preFilter.enable
voice.txEq.hf.IP_4000.preFilter.enable
voice.txEq.hf.IP_330.postFilter.enable
voice.txEq.hf.IP_430.postFilter.enable
voice.txEq.hf.IP_500.postFilter.enable
voice.txEq.hf.IP_600.postFilter.enable
voice.txEq.hf.IP_601.postFilter.enable
voice.txEq.hf.IP_650.postFilter.enable
voice.txEq.hf.IP_4000.postFilter.enable
A - 46
Default
0
0
0
0
0
1
0
1
1
1
1
1
1
0