Appendix a – Aastra Telecom SISIP 57I CT User Manual
Page 444
Operational, Basic, and Advanced Parameters
A-102
41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Appendix A
Parameter –
handset tx gain
Configuration Files
aastra.cfg,
Description
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.
Format
Integer
Default Value
0
Range
-10 db to +10 db
Example
handset tx gain: -5
Parameter –
handset sidetone gain
Configuration Files
aastra.cfg,
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