Administrator’s Guide SoundPoint IP / SoundStation IP

Attribute

Default

 

 

voice.txEq.hf.IP_430.postFilter.enable

1

 

 

voice.txEq.hf.IP_500.postFilter.enable

1

 

 

voice.txEq.hf.IP_600.postFilter.enable

1

 

 

voice.txEq.hf.IP_601.postFilter.enable

1

 

 

voice.txEq.hf.IP_650.postFilter.enable

1

 

 

voice.txEq.hf.IP_4000.postFilter.enable

0

 

 

voice.txEq.hf.IP_6000.postFilter.enable

0

 

 

voice.txEq.hf.IP_7000.postFilter.enable

0

 

 

Voice Activity Detection <vad/>

These settings control the performance of the voice activity detection (silence suppression) feature.

 

Permitted

 

 

Attribute

Values

Default

Interpretation

 

 

 

 

voice.vadEnable

0, 1

0

If set to 1, enable VAD.

 

 

 

 

voice.vadThresh

integer from 0

15

The threshold for determining what is active voice and

 

to 30

 

what is background noise in dB. This does not apply to

 

 

 

G.729AB codec operation which has its own built-in VAD

 

 

 

function.

 

 

 

 

voice.vad.

0, 1

Null

If set to 1 or Null and voice.vadEnable is set to 1,

signalAnnexB

 

 

Annex B is used. A new line can be added to SDP

 

 

 

depending on the setting of this parameter and the

 

 

 

voice.vadEnable parameter.

 

 

 

If voice.vadEnable is set to 1, add attribute line

 

 

 

a=fmtp:18 annexb="yes" below a=rtpmap… attribute

 

 

 

line (where '18' could be replaced by another

 

 

 

payload).

 

 

 

If voice.vadEnable is set to 0, add attribute line

 

 

 

a=fmtp:18 annexb="no" below a=rtpmap… attribute

 

 

 

line (where '18' could be replaced by another

 

 

 

payload).

 

 

 

If set to 0, there is no change to SDP.

 

 

 

 

Quality Monitoring <quality monitoring/>

This attribute includes:

Central Report Collector <collector/>

Alert Reports <alert/>

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Polycom 1725-11530-310 manual Central Report Collector collector Alert Reports alert, Voice.vadEnable parameter