Crossword Genius

It's wiser to dispense with telegrams (5)

Ross

I believe the answer is:

wires

I'm a little stuck... Click here to teach me more about this clue!

'telegrams' is the definition.
(I've seen this in another clue)

'it's wiser to dispense' is the wordplay.
'wiser' can be anagrammed to 'WIRES'.
Though, I am not clear how this is indicated.

'with' is the link.

Can you help me to learn more?

(Other definitions for wires that I've seen before include "Metal threads" , "Cables; telegrams" , "Metal strands" .)

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