AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 920)

41-001343-01 Rev 03, Release 3.2.2 A-189
Parameter –
handset sidetone gain Configuration Files aastra.cfg, <model>.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
Parameter –
handsfree tx gain Configuration Files aastra.cfg, <model>.cfg, <mac>.cfg
Description This is the increased (+db) or decreased (-db) amount of signal
transmitted from the base 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.
Note: The example below increases the speakerphone mic transmit gain
by 10 db.
Format Integer
Default Value 0
Range -10 db to +10 db
Example handsfree tx gain: 10