DirecTV and AT&T signed a three-year extension to their commercial agreement and will continue to offer a co-branded version of DirecTV's satellite TV service across the 22 states where AT&T offers residential broadband and voice service. The agreement has been extended through March 2015.Through a separate agreement, DirecTV also sells AT&T broadband services, including AT&T U-verse High Speed Internet, through its sales distribution channels and to existing DirecTV customers.