satellite tv operator has ended the campaign after complaints by rival comcast that their claims could n't be substantiated .
launched last october , the ads had featured rob lowe playing a slick directv customer and an ` odd or awkward alter-ego ' who had cable .
number of inaccuracies highlighted concerning signal reliability , shorter customer service wait times , better picture and sound quality .
directv claims the campaign was always going to end at the end of q1 .