Poor Att Cell Coverage
I am with the Facilities group in a large office building in Sterling Heights Michigan We are experiencing very poor reception/coverage on Att mobile devices in various spots throughout the building. Other carriers work fine. We had a company install a passive DAS system that improved the other carriers coverage but the Att users are still experiencing no signal or dropped and missed calls. I have personally been next to an Att user who could not place or receive a cal while I had no issue. I must get this resolved. Please provide a way to contact a person that can assist with this issue. It is affecting out business in a negative way. We are a major international corporation and need good service throughout our facilitiy.