Australian Customers Hanging After Failed Swap to NBN Network

A general view of the button pushed by Anthony Albanese, Deputy Prime Minister of Australia to switch on the NBN fibre network to an additional 2,600 homes and businesses in Brunswick at the Brunswick Digital Hub on July 24, 2013 in Melbourne, Australia. Scott Barbour/Getty Images

Four major telcos have been slapped on the wrist for leaving customers without service while trying to move to the National Broadband Network.

The Australian Communications and Media Authority says Telstra, Optus, TPG and Dodo have breached service migration rules, with more than 1500 of their customers left hanging while migrating to the NBN.