I am trying to use a headset with my Mitel phone 4015 (9132-015-100-NA), the microphone always goes on mute whenever I connect the headset.

Asked by MM on 10/24/2011 0  Answer

ManualsOnline posted an answer 13 years, 1 month ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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