Aastra Telecom 9480i Series - Manual (Page 956)

Operational, Basic, and Advanced Parameters
A-182 41-001160-03, Rev 00, Release 2.4
IP Phone Administrator Guide
Parameter –
handsfree tx gain Configuration Files aastra.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
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