Almost half (47 per cent) of those polled by Which?, the consumer group, said they found the message the most annoying, followed by being told to go to the company’s website (28 per cent) and apologies for all operators being busy (11 per cent).
An engaged tone was judged the most annoying sound, named by 29 per cent of those polled, followed by rock music (22 per cent) and background music with no specific tune (21 per cent).