Foretell development system won’t charge (4-4)

I believe the answer is:

toll-free

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'system won't charge' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'foretell development' is the wordplay.
'development' is an anagram indicator.
'foretell' with letters rearranged gives 'TOLL-FREE'.

Can you help me to learn more?

(Another definition for toll-free that I've seen is " Involving no charge".)

I've seen this clue in the Sydney Morning Herald.

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