Inter-Tel Axxess Corded Phone "tell microphone bad" Questions

tell me how to use or to fixed my problem. thank you If the MIC lite is not lit you must press "FNC 1" to activate the microphone. If the MIC lite is lit but the problem persists, the extension is not

microphone inside the original phone that is bad. If it doesn't fix it, then the problem lies on some of the settings within your phone system. Some other simply things to try if using the Handset, is