BT received the most complaints of any pay TV channel provider this summer, according to the regulator. Between July and September, complaints about BT’s pay TV service rose from 11 per 100,000 customers to 25, Ofcom said. The industry average is 5 per 100,000. Ofcom, which compiled the data, said 31% of the complaints about BT pay TV related to service problems and faults, 25% about complaints handling and 22% about billing. A BT spokesman said that the company needed “to do better.”