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  • Users: Kevars
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  1. Kevars

    Handset issues - ultraset comfort set 151 t28 fd

    Hi, we have 3 ultraset comfort set 151 t28 fd in an office and all three of them are having issues with the handset's speaker and/or microphone (sometimes one, other times both). My partner thinks its the piezoelectric failing (both mic and spk are piezo) . Sometimes hitting the handset with the...

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