Operational, Basic, and Advanced Parameters41-001160-00, Rev 01 Release 2.0 A-101Configuration ParametersAppendix AAudio Transmit and Receive Gain Adjustment SettingsParameter –headset tx gainConfiguration Files aastra.cfg, .cfgDescription This is the increased (+db) or decreased (-db) amount of signaltransmitted from the headset microphone to t he far-end party. The amountof Tx gain in the IP phone firmware has been reduced to avoid side-toneand echo on the local and far-end equipment. This parameter allows youto adjust the Tx gain settings to best suit your comfort level anddeployment environment.Format IntegerDefault Value 0Range -10 db to +10 dbExample headset tx gain: -5Parameter –headset sidetone gainConfiguration Files aastra.cfg, .cfgDescription This is the is the increased (+db) or decreased (-db) amount of sidetonesignal from the headset microphone to the headset speaker. The amountof sidetone gain in the IP phone firmware has been reduced to avoidside-tone and echo on the local and far-end equipment. This parameterallows you to adjust the sidetone gain settings to best suit your comfortlevel and deployment environment.Format IntegerDefault Value 0Range -10 db to +10 dbExample headset sidetone gain: -1