Installation and Maintenance Manual
Avaya B179 SIP Conference Phone Installation and Administration Guide
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The position of the PA system’s microphones and speakers and the amplier’s settings
may affect full duplex performance.
Select > PA > CALIBRATION.
AUTO is the default setting and is recommended in most cases. The gure shown in
brackets is the measured calibration value.
Select different levels and compare the audio quality to achieve your preferred setting.
NB. You must ask the person you are calling to assess the effect of the adjustments
you make.
HEADSET AND PA INSTALLATION AND SETTINGS