Since changing to NBN on 22nd March my account usage has jumped enormously despite me spending less time at my computer. Is this because my modem is always on? (necessary to allow people to call on landline which has not been ported over yet) My mobile phone is also on most of the day, but not actually in use. It is a prepaid via Optus). I am on the $49.95 plan as recommended by th TPG operater, and was formerly on the $39 plan which gave me unlimited use. Is there a logical reason for the fact that according to the usage table I have used almost my limit in 17 days?
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