Инструкция для AASTRA 53i ip phone

82 Model 53i IP Phone User Guide

Press the 

 button at any time to mute handset, headset, or handsfree. 

The speaker light will flash slowly and you can hear the caller, but they cannot hear 

you. To switch mute on or off, press 

.

IP Phone UI

Note: If you place a muted call on hold, the phone automatically takes the call 

off mute when you reconnect to the call.