Call inquiringly? (4)

I believe the answer is:

ring

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'call' is the definition.
(synonyms)

'inquiringly?' is the wordplay.
'RING' is hidden in amongst the letters.
But, I am uncertain how this is indicated.

Can you help me to learn more?

(Other definitions for ring that I've seen before include "Telephone - as bells do" , "Form circle around" , "Band; arena" , "13's story of a 17" , "Hoop" .)

I've seen this clue in The Guardian.

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