Polycom SoundPoint IP 601 - Manual (Page 367)

Administrator’s Guide Addendum for the Polycom VVX 1500 Business Media Phone
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Receive Equalization
These new settings control the performance of the receive equalization feature
on the Polycom VVX 1500 phone.
Transmit Equalization
These new settings control the performance of the hands-free transmit
equalization feature on the Polycom VVX 1500 phone.
.
Polycom recommends that you do not change these values.
Attribute Default
voice.rxEq.hs.VVX_1500.preFilter.enable 1
voice.rxEq.hs.VVX_1500.postFilter.enable 0
voice.rxEq.hd.VVX_1500.preFilter.enable 0
voice.rxEq.hd.VVX_1500.postFilter.enable 0
voice.rxEq.hf.VVX_1500.preFilter.enable 1
voice.rxEq.hf.VVX_1500.postFilter.enable 0
Polycom recommends that you do not change these values.
Attribute Default
voice.txEq.hs.VVX_1500.preFilter.enable 0
voice.txEq.hs.VVX_1500.postFilter.enable 1
voice.txEq.hd.VVX_1500.preFilter.enable 0
voice.txEq.hd.VVX_1500.postFilter.enable 0
voice.txEq.hf.VVX_1500.preFilter.enable 0
voice.txEq.hf.VVX_1500.postFilter.enable 1