Audio Transmit And Receive Gain Adjustments - Aastra 9000i Series Administrator's Manual

Audio Transmit and Receive Gain Adjustments

The audio gain properties for the IP phone handset, headset, and speakerphone is adjusted to
reduce side-tone and echo on the local and far-end equipment. You can adjust these settings from
-10 db to +10 db to best suit your comfort level and deployment environment by using the
following parameters in the configuration files:
• headset tx gain
• headset sidetone gain
• handset tx gain
• handset sidetone gain
• handsfree tx gain
• audio mode
The default setting for these parameters is 0 (zero).
The following table describes each parameter.
Parameter
Headset tx gain
Headset sidetone gain
Handset tx gain
Handset sidetone gain
5-328
Note: Aastra Telecom recommends you leave the default of 0 (zero) as
the settings for these parameters.
Description
The increased (+db) or decreased (-db) amount of signal transmitted from the headset
microphone to t he far-end party.
The increased (+db) or decreased (-db) amount of sidetone signal from the headset
microphone to the headset speaker.
The increased (+db) or decreased (-db) amount of signal transmitted from the handset
microphone to the far-end party.
The increased (+db) or decreased (-db) amount of sidetone signal from the handset
microphone to the handset speaker.
41-001343-01 Rev 02, Release 3.2.2
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