More than a quarter of all complaints about telecommunication services are about the NBN

Outgoing NBN chief executive Bill Morrow delivers his address to the National Press Club in Canberra, Source: AAP

Internet and phone providers could be fined for poor performance under a review of the complaint handling process.

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More than a quarter of complaints to the industry ombudsman were about the National Broadband Network, which is due to be completed by the end of 2020.

Many  small business are experiencing  serious difficulties without a reliable phone and internet connection.