Polycom SIP 3.0.2 manual Voice Settings voice, This configuration attribute is defined as follows

Administrator’s Guide SoundPoint IP / SoundStation IP

Note	Modification of se.rt.modification.enabled and se.rt.x.name parameters
	through the user interface will be implemented in a future release.

Voice Settings <voice/>

This configuration attribute is defined as follows:

	Permitted
Attribute	Values	Default	Interpretation
voice.txPacketFilter	0, 1	Null	Flag to determine whether or not narrowband Tx
			high-pass filtering should be enabled.
			If set to 1, narrowband Tx high-pass filter is
			enabled.
			If set 0 or Null, no Tx filtering is performed.

This attribute includes:

•Voice Coding Algorithms <codecs/>

•Volume Persistence <volume/>

•Gains <gain/>

•Acoustic Echo Cancellation <aec/>

•Acoustic Echo Suppression <aes/>

•Background Noise Suppression <ns/>

•Automatic Gain Control <agc/>

•Receive Equalization <rxEq/>

•Transmit Equalization <txEq/>

•Voice Activity Detection <vad/>

•Quality Monitoring <quality monitoring/>

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