Hi guys, I'm at my wits end with one of our staff. He claims his calls drop or the volume fades out mid call when using a headset, but not when using the phone handset. We have tried changing all the components - headsets (variety of models), phone, desk location (so different leads/ports/wiring) and extension (he used a colleagues phone & extension number for a while). He continues to have issues. Other users of the same components and desks do not report the same problem. Our IT services are outsourced to a support company, but we pay for a low level of service and they have pretty much washed their hands of it - they have politely suggested the user is the issue. User has now reported the matter to Director, who expects me to "just get it sorted". Any suggestions or advise would be very gratefully received. ... View more