text: is cliff robertson stiil the voice of at&t commercials as he was years ago? just after the breakup of mabell the new att was hosted by cliff robertson in the tv commercials. the new att commercials have someone with a voice such as his. no, telecommunications have come full circle, one of the original baby bell's, sbc (southwestern bell company) has purchased at&t. it also managed to gobble up the other so called baby bell companies. sbc uses tommy lee jones, because he is a friend of the ceo of sbc ed whitacre. good odl texas boys network.