While a number of people metaphorically clapped us on the back last week for revealing that Ericsson has lost control of one of its major Mediaroom accounts at Deutsche Telekom, one or two called us up to ask what we knew about Ericsson at AT&T which they didn’t. Had it really given such a huge contract to Ericsson? We took another look at the release Ericsson issued during IBC and this time went over it more carefully. This time we did not see things quite so clearly. Ericsson has been asked to work with AT&T on the evolution of its satellite and wireline TV platform, to integrate best-in-class DirecTV and U-verse technologies. You can take this two ways – it…