Anyone else had complaints of volume being quiet or annoying interference when using a Motorola handset. I have a V600 and the problem is apparent. Had it in for repair 3 times as apparently there is a known microphone solder problem. Each time it cam e back no better and could not even get a replacement phone as shop was out of them so had 6-8 weeks of paying for 1000 mins tarrif with no phone to use. Bought gf a V3 on o2 and that has the annoying interference too. And it is noticable when engineers at work phone up on their Motorola handsets. I like the look and operability of these phones but they don't seem to do the basic well like be able to make phone calls without annoying background noise !!! Anyone else had problems?