Tech »  Topic »  BT sues supplier for £72m over exchange gear that allegedly caused wave of ADSL outages

BT sues supplier for £72m over exchange gear that allegedly caused wave of ADSL outages


BT is suing a supplier for £72m after it delivered nearly 100,000 defective landline connection blocks that caused ADSL broadband outages, London's High Court has heard.

Legal filings reveal that Tii Technologies is said to have supplied 95,000 faulty jack test (JT) blocks to BT over a period spanning 2006-2016. The one-time state monopoly claims these faulty blocks led to a spate of ADSL outages in the mid-2010s that mainly affected Sky Broadband's customers – and cost BT more than £40m in engineer callouts to trace the problem's cause.

"In April 2016 (not for the first time), it was reported that the [JT] blocks were causing broadband faults and a complaint to that effect was made by Sky UK Limited, one of the Claimant's largest customers of ADSL broadband services," said BT in filings obtained by The Register.

The £72m lawsuit is a breach of ...


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