IP Phone Administrator Guide

Operational, Basic, and Advanced Parameters

Appendix A

Parameter handset tx gain

Description

Format

Default Value

Range

Example

Configuration Files

aastra.cfg, <mac>.cfg

This is the increased (+db) or decreased (-db) amount of signal transmitted from the handset microphone to the far-end party. The amount of Tx gain in the IP phone firmware has been reduced to avoid side-tone and echo on the local and far-end equipment. This parameter allows you to adjust the Tx gain settings to best suit your comfort level and deployment environment.

Integer

0

-10 db to +10 db

handset tx gain: -5

Parameter

Configuration Files

aastra.cfg, <mac>.cfg

handset sidetone gain

 

 

 

 

Description

This is the increased (+db) or decreased (-db) amount of sidetone signal

 

from the handset microphone to the handset speaker. The amount of

 

sidetone gain in the IP phone firmware has been reduced to avoid

 

side-tone and echo on the local and far-end equipment. This parameter

 

allows you to adjust the sidetone gain settings to best suit your comfort

 

level and deployment environment.

 

 

 

Format

Integer

 

 

 

 

Default Value

0

 

 

 

 

Range

-10 db to +10 db

 

 

 

 

Example

handset sidetone gain: -1

 

 

 

 

A-102

41-001160-00, Rev 01 Release 2.0

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Aastra Telecom 57I C53I manual Handset sidetone gain