Aastra Telecom 53I Manuale Utente

Pagina di 818
Operational, Basic, and Advanced Parameters
A-126
41-001160-00, Release 2.1, Rev 04  
IP Phone Administrator Guide
Appendix A
Parameter – 
handset tx gain
Configuration Files
aastra.cfg, <mac>.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, <mac>.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