The NBN rollout continues eat away at Telstra's balance sheet, with the telco giant cutting its interim payout to shareholders after a 28 per cent dive in first-half profit to $1.2 billion.

The NBN rollout continues eat away at Telstra's balance sheet, with the telco giant cutting its interim payout to shareholders after a 28 per cent dive in first-half profit to $1.2 billion.