NBN Co has acquired much of Telstra's copper and cable networks, and Optus' cable network, for use in the National Broadband Network (NBN).
On 14 December 2014 NBN Co signed amendments to its commercial agreements with Telstra and Optus that will facilitate the multi-technology mix NBN. Under the agreements NBN Co will progressively take ownership of many parts of Telstra's copper and HFC cable networks, as well as Optus' HFC cable network, and will use this infrastructure in the NBN. The amendments are subject to a number of Conditions Precedent, including relevant regulatory approvals.
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