Telco complaints up almost 29 per cent and more than a quarter about the N-B-N

Source: AAP

Internet and phone providers could be fined for poor performance under a review of the complaint handling process. Image: Outgoing NBN CEO Bill Morrow at the National Press Club in Canberra (AAP)

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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.