The scathing comments of businesses that have connected to the NBN in advance as part of trial programs could bode poorly for the future of Australia's nationwide internet infrastructure scheme.

Businesses that have already entered contracts with the National Broadband Network have complained about the poor quality of telecommunications services, describing their telephone, fax and EFTPOS connections as “shambolic.” A total of 15 NBN trial sites have already been established in NSW, Victoria, Queensland, South Australia and Tasmania, where Telstra has…